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Concave   Listen
adjective
Concave  adj.  
1.
Hollow and curved or rounded; vaulted; said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky.
2.
Hollow; void of contents. (R.) "As concave... as a worm-eaten nut."






Collaborative International Dictionary of English 0.48








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"Concave" Quotes from Famous Books



... 1) Additional features not mentioned in diagnoses: Head wider than long, about as wide as body; supratympanic fold present; canthus rostralis rounded, loreal region slightly concave, nearly vertical; nostril at tip of snout; pupil horizontal; no teeth on maxillary, premaxillary, or vomer; tongue small, round, thick, not notched behind, free posteriorly for one-sixth of length; choanae large, only partly ...
— Systematic Status of a South American Frog, Allophryne ruthveni Gaige • John D. Lynch

... through the covered bridge which crossed the brook, paused and looked through a space between the side timbers. This brook was a sturdy little torrent at all times; in spring it was a river. Now, under the white concave of wintry moonlight, it broke over its stony bed with a fierce persistency of advance. Jerome looked down at the rapid, shifting water-hillocks and listened to their lapsing murmur, incessantly overborne by the ...
— Jerome, A Poor Man - A Novel • Mary E. Wilkins Freeman

... run anywhere from one to five feet deep. The front end of the beam is provided with a mud or stone boat to prevent sinking in the mud, and with a jack screw for regulating on uneven ground. Attached to it, and following the mole, is a carrier 200 feet long, made concave in form. On this the tile are laid and carried into the ground. A start is made at an open ditch or hole of required depth; when the carrier is drawn in full length a hole is dug just back of the coulter, ...
— Prairie Farmer, Vol. 56: No. 4, January 26, 1884 - A Weekly Journal for the Farm, Orchard and Fireside • Various

... to be alone with my image in the mirror," thought Frederick. "I don't need all those distressing concave and convex mirrors which other people are. This condition in which I am is the original condition, and in the original condition one escapes the distortion to which other people's words and glances subject one. The best thing is to be silent ...
— Atlantis • Gerhart Hauptmann

... 2: The solution is clear from what has been said, according to the last two opinions. But according to the first opinion, Basil gives two replies (Hom. iii in Hexaem.). He answers first, that a body seen as concave beneath need not necessarily be rounded, or convex, above. Secondly, that the waters above the firmament are not fluid, but exist outside it in a solid state, as a mass of ice, and that this is the crystalline heaven ...
— Summa Theologica, Part I (Prima Pars) - From the Complete American Edition • Thomas Aquinas

... beads and buttons are made in a concave matrix by means of a round-pointed bolt which I will call a die. These tools are always made by the Indians. On one bar of iron there may be many matrices of different sizes, only one die fitting the ...
— Navajo Silversmiths • Washington Matthews

... floating from the mouth of a cavern, suggest a mermaid's hair, and her visible presence would scarcely add to the wonders in this under-world of glamour and mystery. Shells, pink and pearly, brown and lilac, scarlet and cobalt, strew the flower-decked floor with infinite variety, concave and spiral, ribbed and fluted, fretted and jagged—the satin smoothness of convoluted forms lying amid rugged shapes bristling with spines and needles. We gaze almost with awe at the lovely vision of a dainty Nautilus, sailing his fairy boat down ...
— Through the Malay Archipelago • Emily Richings

... six times as good a conductor of electricity. Where tin fillings are subject to a large amount of attrition, they wear away sooner or later, but this is not such a great detriment, for they can easily be repaired or replaced, and owing to the concave form produced by wear the patient is liable to know when a large amount has been worn away. That portion against the wall of the cavity is the last removed by wear, so that further caries is prevented so long as there ...
— Tin Foil and Its Combinations for Filling Teeth • Henry L. Ambler

... glories of dawn. The blue sky now turned more softly gray; the great watch-stars shut up their holy eyes; the east began to kindle. Faint streaks of purple soon blushed along the sky; the whole celestial concave was filled with the inflowing tides of the morning light, which came pouring down from above in one great ocean of radiance, till at length, as we reached the Blue Hills, a flash of purple blazed out from above the horizon, and turned the dewy teardrops of flower and leaf into rubies ...
— English: Composition and Literature • W. F. (William Franklin) Webster

... connection between marriage-rates and prices. The curves of the marriage-rates in many countries indicate a maximum about or shortly before, 1875, when the birth-rate also tended to reach a maximum, and another rise towards 1900, thus making the intermediate curve concave. There was, however, a large rise in money wages between 1860 and 1875, and the rise in the consuming power of the population has been continuous since 1850. Thus the factors favourable to a high marriage-rate must have risen from 1850 to ...
— The Task of Social Hygiene • Havelock Ellis

... large hollow sphere, leaving a space of something more than half an inch between them. The interior sphere was insulated, the external one uninsulated. To the former he communicated a definite charge of electricity. It acted by induction upon the concave surface of the latter, and he examined how this act of induction was effected by placing insulators of various kinds between the two spheres. He tried gases, liquids, and solids, but the solids alone gave him positive results. He constructed two instruments of the foregoing description, equal ...
— Faraday As A Discoverer • John Tyndall

... No. 3, are vertical, and they generally form a ridge parallel to the southern skirts of the Grampians. The superior strata, Nos. 2 and 1, become less and less inclined on descending to the valley of Strathmore, where the strata, having a concave bend, are said by geologists to lie in a "trough" or "basin." Through the centre of this valley runs an imaginary line A, called technically a "synclinal line," where the beds, which are tilted in opposite directions, may be supposed ...
— The Student's Elements of Geology • Sir Charles Lyell

... feet high. If it had not been for the strong, firm hold on my arm, I could not have stood it. As it was I dared not think. Suddenly we turned a sharp angle and found ourselves in a curious semicircular place, almost level and fifty or sixty feet deep in the concave, as if a great piece had been gouged out of the mountain by the glacier which must once ...
— Elsket - 1891 • Thomas Nelson Page

... Lubaczow the Russian line drew back about twenty miles. For the defense of Lemberg the front ran in a concave form from along the River Tanev, five miles from Rawa-Ruska, down to Grodek and Kolodruby; then eastward behind the Dniester to Zuravno and Halicz. The marshes of the Dniester, then swollen by heavy rains, formed a good natural defense; ...
— The Story of the Great War, Volume V (of 12) - Neuve Chapelle, Battle of Ypres, Przemysl, Mazurian Lakes • Francis J. Reynolds, Allen L. Churchill, and Francis Trevelyan

... returns! And blends, once more, the seas and skies: No space between Thy bosom green, O deep! and the blue concave, lies. ...
— The Poetical Works of Edward Young, Volume 2 • Edward Young

... handler stood poised above the place where the sphere had been and in its jaws it held the bar. But the end of the bar, the eight inches that had been within the sphere, was gone. It had been sliced off so sharply that it left a highly reflective concave ...
— Empire • Clifford Donald Simak

... limestone. Caius became interested in the beauty of their colouring. Blue and red clay had washed down upon them in streaks and patches; where certain faults in the rock occurred, and bars of iron-yielding stone were seen, the rust had washed down also, so that upon flat facets and concave and convex surfaces a great variety of colour and tint, and light ...
— The Mermaid - A Love Tale • Lily Dougall

... diaphragm. The color changing device, consisting of Nicol prism and quartz plate, is fitted with a divided circle reading to single degrees. The circle revolving with the Nicol prism for changing the intensity of the star, has a diameter of 14 cm. and reads by means of two verniers to 6 min. A concave lens is mounted in the path of the artificial star to make the light diverging at the proper angle and a plane parallel plate is adjustably fixed in the center of the box in order to throw the light in the eye piece. An achromatic objective ...
— Astronomical Instruments and Accessories • Wm. Gaertner & Co.

... Far stretched the dale of Balder with its sighing groves. Its song of birds, a home where peace might reign supreme. High rose the copper-bolted portal, and within Two colonnades supported on strong omoplates The vaulted canopy, and beautiful it hung Above the temple, like a concave shield of gold. At farthest end stood Balder's altar. It was hewn From one huge block of northern granite: round it coiled A graven serpent, covered o'er with written runes, - Profoundest thoughts from Vala and from Ha'vama'l; ...
— Fridthjof's Saga • Esaias Tegner

... parallelogram, whose enclosure wall was often divided into vertical panels easily distinguished by the different arrangements of the building material. At El-Kab and other places the courses of crude brick are slightly concave, somewhat resembling a wide inverted arch whose outer curve rests on the ground. In other places there was a regular alternation of lengths of curved courses, with those in which the courses were strictly horizontal. The object ...
— History Of Egypt, Chaldaea, Syria, Babylonia, and Assyria, Volume 2 (of 12) • G. Maspero

... scarcely admitted. The most savoury viands, the most high flavoured ragouts, and the most delicious wines presented themselves spontaneously to the expecting attendant. The hall was illuminated with a thousand lustres that depended like stars from the concave roof, and were multiplied by the reflection of innumerable mirrors. The whole ...
— Imogen - A Pastoral Romance • William Godwin

... exhilarating study of four brick walls within microscopic distance of his eye, turned to a small square hole which admitted light and air to the hut, and looked out upon the dreary prospect before him. The wide concave of cloud, of the monotonous hue of dull pewter, formed an unbroken hood over the level from horizon to horizon; beneath it, reflecting its wan lustre, was the glazed high-road which stretched, hedgeless and ditchless, past a directing-post where another road joined it, ...
— The Hand of Ethelberta • Thomas Hardy

... tip-tilted nose, freckled as a plover's egg, and that at a time when no well brought-up damsel ventured forth in the sun's rays without veil or parasol. Her face was deficient in modelling, being one of those subtly concave faces not without a fascination of their own, with an egg-like curve of prominent delicately-square chin. Her mouth, too large, opened very beautifully when she laughed over square thickly-white teeth. Her eyes were small and of no particular colour, though bright ...
— Secret Bread • F. Tennyson Jesse

... "yet I have found the comfortable, convex and concave characters often really more difficult in the long run. You must have some hard and durable rock on which to found understanding and security. The soft, crumbling people may be lovable; but they are useless as sand at a crisis. They are always slipping ...
— The Spinners • Eden Phillpotts

... bands the quiv'ring trumpet blow, Thick o'er the wave the crowding barges row, The Moorish flags the curling waters sweep, The Lusian mortars thunder o'er the deep; Again the fiery roar heaven's concave tears, The Moors astonished stop their wounded ears; Again loud thunders rattle o'er the bay, And clouds of smoke wide-rolling blot the day; The captain's barge the gen'rous king ascends, His arms the chief enfold, the captain ...
— The Book of the Epic • Helene A. Guerber

... The angle of incidence is 30 in each case; also the specific gravity of each substance is given. Then he discusses the reason why refraction takes place. Promises to write on the Rainbow; but will merely say at present that it is to be explained by the reflection on the concave superficies and the refraction at the convex superficies ...
— Thomas Hariot • Henry Stevens

... with the convex side uppermost, in a glass dish, reserving one cup apricot to go on the top, with the concave side uppermost. Take a few preserved cherries, and cut them in halves, and stick half a cherry in all the little holes or spaces where the apricots meet. Cut four little green leaves out of the angelica about the size of the ...
— Cassell's Vegetarian Cookery - A Manual Of Cheap And Wholesome Diet • A. G. Payne

... barrows, in the course of a day or two, to a bed some yards distant from the spot of its first growth; because, without any reference whatever to the nasal sense, it was considered that it might be rather an eye-sore to their Reverences, on approaching the door. Several concave inequalities, which constant attrition had worn in the earthen floor of the kitchen, were filled up with blue clay, brought on a cart from the bank of a neighboring river, for the purpose. The dresser, chairs, tables, I pots, and pans, all underwent a rigor of discipline, as if some remarkable ...
— The Station; The Party Fight And Funeral; The Lough Derg Pilgrim • William Carleton

... had. The fish themselves may well have been lying, in search of coolness among the weedy stones at the bottom of the sea. Of all living creatures the jelly fish alone seemed to retain any spirit. Immense crowds of them drifted past the Tortoise, swelling out and closing again their concave bodies, revolving slowly round, dragging long purple tendrils deliriously through the warm water. They swept past Priscilla's drooping hands, touching them with their yielding bodies and brushing them softly with their tendrils. Now and then she lifted one from the water, watched it ...
— Priscilla's Spies 1912 • George A. Birmingham

... worth was thumped upon the counter, and they returned, bearing it like a streamer to the coffin. While the noise of their hammers filled the room, the hearse came tottering to the door, pulled and pushed by twenty men. It was an ambulance left behind by the soldiers, and of the old-fashioned shape, concave in body, its top blown away in winds of long ago; and as they revolved, its wheels dished in and out like hoops about to fall. While some made a harness from ropes, and throwing the saddles off two ponies backed them to the vehicle, the body was put in the coffin, now covered by the chintz. But ...
— Lin McLean • Owen Wister

... by means of a concave mirror of polished metal, which, collecting the rays of the sun into a focus upon a quantity of dried cotton, speedily set it on fire. It was the expedient used on the like occasions in ancient Rome, at least ...
— The History Of The Conquest Of Peru • William H. Prescott

... safe on the late concave, now convex craft, Herr Turnip-face, the "Inverter of things," being in the middle. All this fracas seemed not to have essentially deranged his habits. At least he was greeting when he shot our friends into the Rhine, and greeting ...
— The Cloister and the Hearth • Charles Reade

... single card held in the hand performed the actual carding operation (see fig. 3). The second machine utilized a horizontal cylinder covered with parallel rows of card clothing. Under the cylinder was a concave frame lined with similar card clothing. As the cylinder was turned, the cards on it worked against those on the concave frame, separating and straightening the fibers (see fig. 4). After the fibers were carded, the concave section was lowered and the fibers were stripped off by ...
— The Scholfield Wool-Carding Machines • Grace L. Rogers

... or outer portico from one building, the vaulted baptistery with its marble font from another, the pulpits and ambones from a third the tribune from a fourth, the round brick bell-tower from a fifth, and then to cover all the concave roofs and chapel walls with grave ...
— Sketches and Studies in Italy and Greece, Second Series • John Addington Symonds

... the mated triads of sooty chimney swallows that rumbled nightly in the great brick flues of the farmhouse, and at first almost terrified me, but at length furnished the thalamian refrain that most surely lulled me asleep; the red-headed woodpeckers that with sharp cries and concave stoop of flight moved fitfully, from tree to tree, tapping this one loudly, that one low and dull, and whose nest hole in the dead maple on the hillside was re-occupied year after year, till at last the stub blew down and broke short off at the ...
— When Life Was Young - At the Old Farm in Maine • C. A. Stephens

... on the farthest side from the sun, by the action of the radial stream passing over the polar region, the parallel currents are now bent towards the equator, being at a maximum in places where it is an hour or two past midnight. Before they were concave to the equator, and now they are convex; the magnetic meridian is therefore deflected the contrary way to what it was in the day time, by the same principle of reaction. After the maximum, say at 4 A.M., the deflection gradually ceases, and the magnetic meridian returns to its mean ...
— Outlines of a Mechanical Theory of Storms - Containing the True Law of Lunar Influence • T. Bassnett

... imagination took intelligence, held conversation with man, and with themselves; the elements were deified by its songs, every thing was figuratively detailed in harmonious lays. The sky, which according to the then philosophy, was an arched concave, spreading over the earth, which was supposed to be a level plain; (for the doctrine of antipodes is of rather modern date) was itself made a god; was considered a more suitable residence, as making a greater distinction for these imaginary deities than the earth on which man himself resided. ...
— The System of Nature, Vol. 2 • Baron D'Holbach

... savannahs—Earth has not a plain So boundless or so beautiful as thine; The eagle's vision cannot take it in. The lightning's wing, too weak to sweep its space, Sinks half way o'er it like a wearied bird;— It is the mirror of the stars, where all Their host within the concave firmament, Gay marching to the music of the spheres, Can ...
— The Mirror of Literature, Amusement, and Instruction, Vol. 17, - Issue 493, June 11, 1831 • Various

... the earth, and rivers of ore in its bowels, and our thoughts flowed and circulated, and this portion of time was but the current hour. Let us wander where we will, the universe is built round about us, and we are central still. If we look into the heavens they are concave, and if we were to look into a gulf as bottomless, it would be concave also. The sky is curved downward to the earth in the horizon, because we stand on the plain. I draw down its skirts. The stars so low there seem loath to ...
— A Week on the Concord and Merrimack Rivers • Henry David Thoreau

... combination with a mold wheel having a series of cogs interposed by a series of concave stops, blanks or abutments upon its periphery, a drive wheel having cogs and a blank surface on its perimeter so that the mold wheel may be moved, stopped and locked by said drive wheel which has a continuous movement, substantially as and for the ...
— Scientific American, Vol. 17, No. 26 December 28, 1867 • Various

... of the neighbouring surface. The Mare Nectaris, again, in the south-western quadrant, presents some fine examples of concentric ridges, which are seen to the best advantage when the morning sun is rising on Rosse, a prominent crater north of Fracastorius. This "sea" is evidently concave in cross-section, the central portion being considerably lower than the margin, and these ridges appear to mark the successive stages of the change of level from the coast-line to the centre. They suggest ...
— The Moon - A Full Description and Map of its Principal Physical Features • Thomas Gwyn Elger

... from that of Cercoleptes in the following characters: the coronoid is broader and of less vertical extent; the condyle is not placed so high; the angle is elevated above the lower border of the ramus, which is straight and not concave as it is in Cercoleptes. In the depth of the symphysis and abrupt rounding of the chin the two genera are similar. Cercoleptes, moreover, has a moderately deep groove upon the antero-internal face of the canine, but differs from that of Leptarctus ...
— On The Affinities of Leptarctus primus of Leidy - American Museum of Natural History, Vol. VI, Article VIII, pp. 229-331. • J. L. Wortman

... no longer in the hall. He was marching along a gallery overhanging one of the great streets of the moving platforms that traversed the city. Before him and behind him tramped his guards. The whole concave of the moving ways below was a congested mass of people marching, tramping to the left, shouting, waving hands and arms, pouring along a huge vista, shouting as they came into view, shouting as they passed, ...
— The Sleeper Awakes - A Revised Edition of When the Sleeper Wakes • H.G. Wells

... at first slight. In the second part, there is a rapidly increasing effect with increased stimulus. Finally, a tendency shows itself to approach a limit of response. Thus we find the curve at first slightly convex, then straight and ascending, and lastly, concave to ...
— Response in the Living and Non-Living • Jagadis Chunder Bose

... the Encantadas tortoise. But next evening, strange to say, I sat down with my shipmates, and made a merry repast from tortoise steaks, and tortoise stews; and supper over, out knife, and helped convert the three mighty concave shells into three fanciful soup-tureens, and polished the three flat yellowish calipees ...
— The Piazza Tales • Herman Melville

... 'healthy.' Completely healthy; mens sana in corpore sano. A man all lucid, and in equilibrium. His intellect a clear mirror geometrically plane, brilliantly sensitive to all objects and impressions made on it and imaging all things in their correct proportions; not twisted up into convex or concave, and distorting everything so that he cannot see the truth of the matter, without endless groping and manipulation: healthy, clear, and free and discerning truly all ...
— Why Worry? • George Lincoln Walton, M.D.

... Mexican onyx, which is only a translucent variety of the same marble. In its reproduction here the marble has been imitated even to the natural imperfections which roughened the Italian stone. In the concave surfaces of the ornamentation the color has been deepened, so that it appears sometimes as a rich reddish brown. All this enhances the antique effect, making the palace walls and columns still more like those of ...
— The Jewel City • Ben Macomber

... are not only Neighbouring Hills, Trees, &c. that are rais'd above the Horizontal Level of the Valley, but Rivers, Wells, Pits and other Cavities that are depress'd beneath it, and that such Protuberant and Concave parts of a Surface may remit the Light so differingly, as much to vary a Colour, some examples and other things, that we shall hereafter have occasion to take notice off in this Tract, will sufficiently declare, till when, ...
— Experiments and Considerations Touching Colours (1664) • Robert Boyle

... make in this posture his hand by little and little, and by degrees and pauses, successively to mount from athwart the belly to the stomach, from whence he made it to ascend to the breast, even upwards to Panurge's neck, still gaining ground, till, having reached his chin, he had put within the concave of his mouth his afore-mentioned thumb; then fiercely brandishing the whole hand, which he made to rub and grate against his nose, he heaved it further up, and made the fashion as if with the thumb thereof he would have put out his eyes. With this Panurge grew a little angry, and went about ...
— Gargantua and Pantagruel, Complete. • Francois Rabelais

... having, in deference to Hilliard's warnings, left behind most of the things he wanted to bring. They found the taxi and drove out at once across the great stone bridge leading from the Bastide Station and suburb on the east bank to the main city on the west. In front of them lay the huge concave sweep of quays fronting the Garonne, here a river of over a quarter of a mile in width, with behind the massed buildings of the town, out of which here and there rose church spires and, farther down-stream, the three imposing columns of the ...
— The Pit Prop Syndicate • Freeman Wills Crofts

... instruments of this class are designated by the general name of Telescope, and are of two kinds,—the refracting telescope, which derives its magnifying power from a system of convex lenses; and the reflecting telescope, which receives the image of the heavenly body upon a concave mirror. ...
— The Uses of Astronomy - An Oration Delivered at Albany on the 28th of July, 1856 • Edward Everett

... a vast old edifice, spacious enough, within the extent covered by its pillared roof and overspread by its stone pavement, to accommodate the whole of church-going London, and with a far wider and loftier concave than any human power of lungs could fill with audible prayer. Oaken benches were arranged in the transept, on one of which I seated myself, and joined, as well as I knew how, in the sacred business that was going forward. ...
— Our Old Home - A Series of English Sketches • Nathaniel Hawthorne

... but, barring perhaps the immense Asiatic butcheries, Nero contrived then to surpass anything that had been done. Bloated and hideous, his hair done up in a chignon, a concave emerald for monocle, in the crowded arena he assisted at the rape of Christian girls. Their lovers, their brothers and fathers were either eaten alive by beasts or, that night, dressed in tunics that had been soaked in oil, were ...
— The Lords of the Ghostland - A History of the Ideal • Edgar Saltus

... them to his breast, Around the joyful Mercians prest, And made their shouts of triumph rise, To the fair concave of the skies. ...
— Elegies and Other Small Poems • Matilda Betham

... a sort of uncovered char a banc. The wheels were placed upon two iron bands, which formed the road, and to which they are fitted, being so constructed as to slide along without any danger of hitching or becoming displaced, on the same principle as a thing sliding on a concave groove. The carriage was set in motion by a mere push, and, having received this impetus, rolled with us down an inclined plane into a tunnel, which forms the entrance to the railroad. This tunnel is four hundred yards long (I believe), and will be lighted by gas. ...
— Railway Adventures and Anecdotes - extending over more than fifty years • Various

... weeks or even months without being much influenced by the weather. After the great glowing ends fronting each other have burned so far apart that their rims cease to burn, the fire continues to work on in the centres, and the ends become deeply concave. Then heat being radiated from side to side, the burning goes on in each section of the trunk independent of the other, until the diameter of the bore is so great that the heat radiated across from side to side is not sufficient ...
— Modern Prose And Poetry; For Secondary Schools - Edited With Notes, Study Helps, And Reading Lists • Various

... my armies; Mine anger's at the highest, and I could shake The firm foundation of the earthly globe; Could I but grasp the poles in these two hands I'd pluck the world asunder. He would scale heaven, and when he had ——got beyond the utmost sphere, Besiege the concave of this universe, And hunger-starve the gods till they confessed What furies did oppress his ...
— Curiosities of Literature, Vol. II (of 3) - Edited, With Memoir And Notes, By His Son, The Earl Of Beaconsfield • Isaac D'Israeli

... bundle of capricious and obstinate instincts set in motion by ancient souvenirs remembered at hazard. The front of his face seemed to have given way in general collapse. The lips were in a hollow; the cheeks were concave; the eyes had receded; and there were pits in the forehead. The pale silvery straggling hairs might have been counted. The wrinkled skin was of a curious brown yellow, and the veins, instead of being blue, were ...
— Clayhanger • Arnold Bennett

... smiles, Chopin makes a grinning grimace; where Field sighs, Chopin groans; where Field shrugs his shoulders, Chopin twists his whole body; where Field puts some seasoning into the food, Chopin empties a handful of cayenne pepper. In short, if one holds Field's charming romances before a distorting, concave mirror, so that every delicate impression becomes a coarse one, one gets Chopin's work. We implore Mr. Chopin to return ...
— Chopin: The Man and His Music • James Huneker

... its peripheral, convex edge to the head of the tibia, the medial meniscus being connected also to the capsular ligament of the joint. The tendon of the popliteus muscle intervenes between the lateral meniscus and the capsule. The central, concave edges of the ...
— Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. • Alexander Miles

... You used to be up on men's rigging. All the boys look like their own shadows these days. English cut. No padding. No heels. Incurve at the waist. Watch me walk." He flapped across the room, chest concave, shoulders rounded, arms hanging limp, feet wide apart, chin ...
— Roast Beef, Medium • Edna Ferber

... is not to be judged by exceptions, nor is she to be measured by the standard of public sentiment. Public sentiment has often condemned the right. It ridiculed Columbus; put Roger Bacon in jail because he discovered the principle of concave and convex glass; condemned Socrates, and jeered Fulton and Morse. It pronounced the making of table forks a mockery of the Creator who gave us fingers to eat with, and broke up a church in Illinois because a ...
— Wit, Humor, Reason, Rhetoric, Prose, Poetry and Story Woven into Eight Popular Lectures • George W. Bain

... or light in a manner and to a degree which no other material can equal. In the Doric, mouldings were few, and almost always convex; they became much more numerous in the later styles, and then included many of concave profile. The chief are the OVOLO, which formed the curved part of the Doric capital, and the crowning moulding of the Doric cornice; the CYMA; the BIRD'S BEAK, employed in the capitals of the antae; the FILLETS under the Doric capital; the hollows and TORUS mouldings of the ...
— Architecture - Classic and Early Christian • Thomas Roger Smith

... without turning his face, and Jaime walked along the beach in the direction of the tower. His feet, shod in hempen sandals, crunched on the gravel at the edge of the wash from the surf. Among the azure pebbles were fragments of pottery; portions of earthen handles; concave pieces of bowls bearing vestiges of decoration, which had, perhaps, belonged to swelling urns; small, irregular spheres of gray clay in which one seemed to make out, despite the corrosion of the salt water, human ...
— The Dead Command - From the Spanish Los Muertos Mandan • Vicente Blasco Ibanez

... (the well-known "long sight," or hyperopia), we put a plus or bulging glass before the eye and thus correct its shape. But if the eye is too round and bulging, producing the familiar "short sight," or myopia, we put a minus or concave lens before the eye, and thus bring it back to the normal. By a curious paradox, however, it often happens that the headache due to eye-strain is caused not by the grosser defects, such as interfere with vision so seriously as absolutely to demand the wearing of glasses ...
— Preventable Diseases • Woods Hutchinson

... tawa is a circular plate of malleable or cast iron, used for baking cakes or bannocks. It is slightly convex, like a watch-glass, on the upper side, where the bread is laid on; the under or concave side being, of course perfectly black. In Scotland, and in the northern counties of England, this domestic implement is called "the girdle," and is still in common use in places ...
— Bagh O Bahar, Or Tales of the Four Darweshes • Mir Amman of Dihli

... albigula (specimens of albigula from Coahuila). The auditory bullae, in relation to the length of the skull, are of comparable size in goldmani and albigula whereas those of the lepida group are proportionately much larger. Moreover, the posterior margin of the palatal bridge is concave in goldmani and albigula instead of truncate as in the lepida group. Neotoma goldmani differs from both albigula and lepida in: ascending branches of premaxillaries broader posteriorly; supraorbital ridges less pronounced; rostrum less massive; interparietal broader in relation ...
— The Pigmy Woodrat, Neotoma goldmani, Its Distribution and Systematic Position • Dennis G. Rainey

... a common bird in the interior during the summer. Gregarious, and building clay nests, like bottles stuck against a tree, in rows one above the other. Instinct guides these little birds to select a tree that slopes and is concave, in which the nests will be protected from rain or storms. A white-headed swallow was also frequently seen, but it was always under circumstances that prevented ...
— Expedition into Central Australia • Charles Sturt

... silt and clay deposited and the lake became silted up, i.e. it became so shallow that it was little more than a lake of mud. The same facts were brought out at the bend of the river. On its convex side, Fig. 55, the water has rather further to go in getting round the bend than on its concave side B, it therefore flows more quickly, and carries away the soil of the bank and mud from the bottom. But on its concave aide where it flows more slowly it deposits material. There is at the bend a marked difference in depth at ...
— Lessons on Soil • E. J. Russell

... the great strength of the second line of defence gradually revealed itself. It ran along the crest of the plateau, which rises about a thousand yards from the edge in a series of beautiful smooth grassy slopes of concave surface, forming veritable glacis for the musketry of the defence to sweep; and it consisted of a line of low rock and earth redoubts and shelter trenches, apparently provided with overhead cover, and cleverly arranged to command all approaches with fire—often ...
— London to Ladysmith via Pretoria • Winston Spencer Churchill

... best of their bows was made of a single piece of fir, four feet eight inches in length, flat on the inner side and rounded on the outer, being five inches in girth about the middle, where, however, it is strengthened on the concave side, when strung, by a piece of bone ten inches long, firmly secured by treenails of the same material. At each end of the bow is a knob of bone, or sometimes of wood covered with leather, with a deep notch for the reception of the string. The only wood which ...
— Three Voyages for the Discovery of a Northwest Passage from the • Sir William Edward Parry

... removed meanwhile to the neighbouring convent of the Capuchinas, and the same year the altar was concluded, and the Virgin brought back in solemn procession, in the midst of an innumerable multitude. This great altar, which cost from three to four hundred thousand dollars, is a concave hexagonal, in the midst of which rise two white marble pillars, and on each side two columns of rose-coloured marble, of the composite order, which support the arch. Between these are two pedestals, on which are the images of San Joaquin ...
— Life in Mexico • Frances Calderon De La Barca

... of one valve. All are highly modified, and are strikingly different from the normal form seen in locomotive types of the group. The oyster may be taken as the type of the form adopted by attached pelecypods. The two valves are unequal, the attached valve being concave, the free valve flat; but they are not only unequal, they are often very dissimilar—as different as if they belonged to a distinct type in what would be considered typical forms. This is remarkable as a case of acquired and inherited characteristics finding very different expression ...
— Lamarck, the Founder of Evolution - His Life and Work • Alpheus Spring Packard

... lip were poised thousands of concave disks, vernal green, enormous. They were like a border of gigantic, upthrust shields; and within each, emblazoned like a shield's device, was a blinding flower of flame—the reflected, dilated face ...
— The Metal Monster • A. Merritt

... test-strips. If any difficulty is found in determining which is the sensitive side, it will be well to throw a piece of the paper on a plane surface when it will be seen that it has a slight tendency to curl. The concave is the sensitive side. Taking a standard negative we first take one of the test-slips and place it upon the negative so that it covers a portion containing both high lights and shadows. With an oil-lamp having a 1-inch burner, expose the test-strip behind the negative in the printing frame at ...
— Bromide Printing and Enlarging • John A. Tennant

... In this famous formation the front-rank men kept close together and covered their bodies with long, concave shields, while the others, holding flat shields over their heads and pressing them one against another, formed a protecting roof. They could thus ...
— Tacitus: The Histories, Volumes I and II • Caius Cornelius Tacitus

... resumed, "that upper lens is concave so that it enlarges tremendously. I can do some wonderful tricks ...
— The War Terror • Arthur B. Reeve

... toads proper, but belongs to the family Discoglossidae, characterized by a circular, adherent tongue, teeth in the upper jaw and on the palate, short but distinct ribs on the anterior vertebrae, and convex-concave vertebrae. It inhabits France, Belgium, Switzerland, Western Germany (eastwards to the Weser), Spain and Portugal. A second species, A. cisternasii, occurs in Spain ...
— Project Gutenberg Encyclopedia

... Gaussberg. The course was altered accordingly towards this object and everything went smoothly for ten miles. Then followed an area where the ice fell steeply in waves to the sea, crossed by crevasses which averaged fifty feet in width. The snow-bridges were deeply concave, and the lower side of each chasm was raised into a ridge five to ten feet high. Making fast the alpine rope on to the sledges, one of us went ahead to test the bridge, and then the sledges, one at a time, were rushed down into the ...
— The Home of the Blizzard • Douglas Mawson

... the Hebrew mirrors were always either circular or oval, and cast indifferently flat or concave. They were framed in superb settings, often of pearls and jewels; and, when tarnished, were cleaned with a sponge of hyssop, the universal cleansing material ...
— Theological Essays and Other Papers v2 • Thomas de Quincey

... think—shows the Circumcision, where the painter has set himself various difficulties of architecture and goldsmith's work for the pleasure of overcoming them, every detail being painted with Dutch minuteness and yet leaving the picture big; while the middle panel, which is concave, depicts an Adoration of the Magi that will bear much study. The whole effect is very northern: not much less so than our own new National Gallery Mabuse. Mantegna also has a charming Madonna and Child, No. 1025, with pleasing pastoral ...
— A Wanderer in Florence • E. V. Lucas

... wall-papers, and wise people are of opinion that the temper may be quieted by sedative surroundings. But what is to be said of the Nebraskan settler? His is a wall-paper with a vengeance—one quarter of the universe laid bare in all its gauntness. His eye must embrace at every glance the whole seeming concave of the visible world; it quails before so vast an outlook, it is tortured by distance; yet there is no rest or shelter, till the man runs into his cabin, and can repose his sight upon things near at hand. Hence, I am told, a sickness of the vision ...
— The Works of Robert Louis Stevenson - Swanston Edition - Vol. 2 (of 25) • Robert Louis Stevenson

... insects joy to leave the shade, Their velvet wings in quick vibrations shake, While on the surface of the neighbouring lake, Of shrubs and willows, wash'd from every stain, The trembling branches glitter once again; Again the peasant in its bosom sees The heaven's blue concave ...
— Translations of German Poetry in American Magazines 1741-1810 • Edward Ziegler Davis

... so that no particle of dust could reach his work. When he entered his studio he opened the door slowly, sat down with great deliberation, and then remained motionless until the least sign of agitation produced by the exercise had ceased. Then he began to paint, using concave glasses to reduce the objects in size. This continual effort ended by injuring his sight, so that he was obliged to work with spectacles. Nevertheless, his coloring never became weakened or less vigorous, and his pictures are equally strong whether one looks at them ...
— Holland, v. 1 (of 2) • Edmondo de Amicis

... descended. Both led in the direction of our route, and the pond we had just left was ascertained to be the only one in the little channel. I sought a good position for a depot camp on the newly-discovered river, and found one extremely favourable, on a curve concave to the N. W., overlooking, from a high bank, a dry ford, on a smooth rocky bed; and having also access to a reach of water, where the bottom was hard and firm. We approached this position with our carts, in the midst of smoke and flame; the natives having availed ...
— Journal of an Expedition into the Interior of Tropical Australia • Thomas Mitchell

... communistic society presided over by a genius whose official name is Koresh, and of which the religious creed has quite a scientific turn. Its fundamental doctrine is that the surface of the earth on which we live is the inside of a hollow sphere, and therefore concave, instead of convex, as generally supposed. The oddest feature of the doctrine is that Koresh professes to have proved it by a method which, so far as the geometry of it goes, is more rigorous than any other that ...
— The Reminiscences of an Astronomer • Simon Newcomb

... work, with its excellent figures, should be studied. The whole of the exterior of the skull in all its parts has been altered; the hinder surface, instead of sloping backwards, is directed forwards, entailing many changes in other parts; the front of the head is deeply concave; the orbits have a different shape; the auditory meatus has a different direction and shape; the incisors of the upper and lower jaws do not touch each other, and they stand in both jaws above the plane of the molars; the canines of the upper jaw stand in front of those of ...
— The Variation of Animals and Plants Under Domestication, Vol. I. • Charles Darwin

... Scars. These are the round, somewhat concave, scars, found terminating the stem where forking occurs, or seemingly in the axils of branches, on account of one of the forking branches growing more rapidly and stoutly than the other and thus taking the place ...
— Outlines of Lessons in Botany, Part I; From Seed to Leaf • Jane H. Newell

... species belonging to the tribe of Solitary Wasps, Odynerus clavicornis, is perhaps the most interesting insect in the collection; this Wasp has clavate antennae, the flagellum being broadly dilated towards the apex, convex above and concave beneath. I am not acquainted with any other insect belonging to the Vespidious group which exhibits ...
— Journal of the Proceedings of the Linnean Society - Vol. 3 - Zoology • Various

... have, not inadequately for the purpose designed, been represented by the concave surface of a sphere in the centre of which the eye of an observer might be supposed to be placed.... In future we shall look upon those regions into which we may now penetrate by means of such large telescopes, as a naturalist ...
— The New Heavens • George Ellery Hale

... he could discern an irregular pink crescent, with the concave side downwards, somewhere in the blackness beyond the bows. He rubbed his eyes, and said nothing, believing that the unaccustomed strain of gazing into the dark had affected his sight. But the pink crescent ...
— The Captain of the Kansas • Louis Tracy

... Compressible kunpremebla. Comprise enhavi. Compromise kompromiti. Compromise kompromiso. Compulsion devigo. Compunction memriprocxo. Computation kalkulo. Compute kalkuli. Comrade kamarado. Concave kaveta. Conceal kasxi. Consecutive intersekva. Concede cedi. Conceit malmodesteco. Conceited malmodesta. Conceive gravedigxi. Concentrate koncentrigi. Concentric koncentra. Conception (idea) elpenso. ...
— English-Esperanto Dictionary • John Charles O'Connor and Charles Frederic Hayes

... spectacles, not because he had bad eyes, for they were very bright and good, but because nature had formed the lenses of a more than usually rounded shape, with the consequence that their owner was short-sighted and needed a pair of concave glasses to deal with the rays of light and lengthen the focus of the natural lenses. But, metaphorically and poetically, as somebody once wrote, every boy wore glasses of the couleur-de-rose type—those which make everything that is ...
— Glyn Severn's Schooldays • George Manville Fenn

... Spirit, Vinager, Water and Charcoal; the last of which to be reduc'd into Ashes, requires the being farther calcin'd then it can be in a close Vessel: Besides having kindled Amber, and held a clean Silver Spoon, or some other Concave and smooth Vessel over the Smoak of its Flame, I observ'd the Soot into which that Fume condens'd, to be very differing from any thing that I had observ'd to proceed from the steam of Amber purposely (for that is not usual) distilled ...
— The Sceptical Chymist • Robert Boyle

... by the cliff, the moon being behind this. The other quarter, on the side of the trees, is brilliantly lit up by her beams, showing the timber thick and close along its edge, to all appearance impassable as the facade of rugged rock frowning from the opposite concave of the enclosed circle. Communicating with this are but two paths possible for man or horse, and for either only in single file. One enters the glade coming up the river bottom along the base of the bluff; the other debouches at the opposite end, still following ...
— The Death Shot - A Story Retold • Mayne Reid

... Leyden-jars, eudiometers, thermometric scales, philosophical instruments, were distributed through the chambers. The third story, save two bed-chambers,—one for the housekeeper, the other for the footman,—had been fitted up for an observatory. The lenses and achromatic glasses, tubes and specula, concave mirrors, and object-prisms, and the huge, rough old telescope, peering through the roof, were still there as their owner had left them. All appliances of housekeeping were absent, and Cavendish House was destitute of ...
— Prairie Farmer, Vol. 56: No. 3, January 19, 1884. - A Weekly Journal for the Farm, Orchard and Fireside • Various

... them a great, solid, concave arch; a hemisphere of unknown material, at an unknown distance above the flat level earth; and along it journeyed in their courses the Sun, the Moon, ...
— Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry • Albert Pike

... receptacle through the lower plate; it penetrates the latter and then takes the form of a helicoidal or screw-shaped spiral, the rings of which, rising one over the other, occupy nearly the whole of the height of the tank. Before again issuing from it, this spiral runs into a small cone with a concave base, that is turned downward in the shape ...
— Five Weeks in a Balloon • Jules Verne

... can we suppose burning mirrors to have been made of glass without supposing the magnifying powers of glass to have been known? The Greeks, as Plutarch affirms, employed metallic mirrors, either plane, or convex, or concave, according to the use for which they were intended. If they could make burning mirrors of glass, they could have given any of these forms to glass. How then could they have avoided observing that two ...
— Supplemental Nights, Volume 3 • Richard F. Burton

... Eastward the bare, bold volcanic upheaval of Diamond Head gleamed in bold relief, reflecting the silver rays. Here and there through the foliage shone the soft-colored fires of Chinese lanterns, and farther away, along the concave shore, distant electric lights twinkled like answering signals to the stars in the vault of blue, and the "riding lights" of the few transports or warships, swinging at anchor on ...
— Found in the Philippines - The Story of a Woman's Letters • Charles King

... at some distance apart, entirely precludes a rotation of the wings. The whole structure and form of the wings of insects, moreover, indicate an action in flight quite analogous to that of birds. I believe that a careful examination will show that the wings of almost all insects are slightly concave beneath. Further, they are all constructed with a strong and rigid anterior margin, while the outer and hinder margins are exceedingly thin and flexible. Yet further, I feel confident (and a friend here agrees with me) that they are much more rigid ...
— Alfred Russel Wallace: Letters and Reminiscences Vol 2 (of 2) • James Marchant

... five rectangles, on the floor, was a large plate of transparent substance, ground to a concave surface, through which one could see an ...
— Hellhounds of the Cosmos • Clifford Donald Simak

... the sun is by nature hot and not cold, as has already been stated. If rays of fire play on a concave mirror when it is cold, the rays refracted by the mirror will be hotter than {156} the fire. The rays emitted from a sphere of glass filled with cold water, which are reflected from a fire, will be warmer than the fire. It follows from these two experiments that the ...
— Thoughts on Art and Life • Leonardo da Vinci

... noticed several changes, caused by grief, which I had not seen in the open air. The slender lines which, at my last visit, were so lightly marked upon her forehead had deepened; her temples with their violet veins seemed burning and concave; her eyes were sunk beneath the brows, their circles browned;—alas! she was discolored like a fruit when decay is beginning to show upon the surface, or a worm is at the core. I, whose whole ambition had been to pour happiness into her soul, I it was who embittered the spring from which she had ...
— The Lily of the Valley • Honore de Balzac

... the wind." The Scottish "herdsman" on the lonely mountain-top "feels the presence and the power of greatness," and "in its fixed and steady lineaments he sees an ebbing and a flowing mind." The philosopher[128] lifts his eyes to "the starry heavens" in all the depth of their concave, and with all their constellations of glory moving on in solemn grandeur, and, to his mind, these immeasurable regions seem "filled with the splendors of the Deity, and crowded with the monuments of his power;" or he turns his eye to "the Moral Law within," and he hears the voice of an ...
— Christianity and Greek Philosophy • Benjamin Franklin Cocker

... party was stationed at both ends of the nets thus arranged, armed with their spears and darts, to prevent any of the game escaping; the rest of the men, whom we accompanied, then extended themselves in another semi-circle on the concave side of the net, at the distance of a mile or more from it. Thus we advanced, the dogs barking, and the men shouting, while we held our guns ready to shoot, and the natives had their darts prepared for instant action. We might fall in with an elephant, or buffalo, or leopard, ...
— The Two Supercargoes - Adventures in Savage Africa • W.H.G. Kingston

... region on the other side birds soar suddenly into the air, and hang over the summits of the heights with the indifference of long familiarity. Their forms are white against the tawny concave of cloud, and the curves they exhibit in their floating signify that they are sea-gulls which have journeyed inland from expected stress of weather. As the birds rise behind the fort, so do the clouds rise behind the birds, almost ...
— A Changed Man and Other Tales • Thomas Hardy

... rollers of the Atlantic surge against the base of a high berg. Little good men at home, fat men, rotund, easy souls, or those who are neither good, nor fat, nor easy, may stare and imagine yet not come near the reality when the wind booms and the sea rises, and the great concave of night sky flattens and presses down upon the driven ship, and men strive to escape doom and yet care not, and work till they are blind, and then drop down into the scant shelter of the deck, where the icy wind seems warm after the strife and bellowing up aloft. Heroes? ...
— A Tramp's Notebook • Morley Roberts

... certain rugged rocks whose outlines were grotesque against the evening sky. Rowland had seen grander places in Switzerland that pleased him less, and whenever afterwards he wished to think of Alpine opportunities at their best, he recalled this grassy concave among the mountain-tops, and the August days he spent there, resting deliciously, at his length, in the lee of a sun-warmed boulder, with the light cool air stirring about his temples, the wafted odors of the pines in his nostrils, the tinkle of the cattle-bells ...
— Roderick Hudson • Henry James

... the ridge, I see the Grinstun man, Full short in stature and rotund is he, Pale grey his watery orbs, that dare not scan His interlocutor, and his goatee, With hair and whiskers like a furnace be: Concave the mouth from which his nose-tip flies In vain attempt to shun vulgarity. O haste, ye gods, to snatch from him the prize, And send him hence to ...
— Two Knapsacks - A Novel of Canadian Summer Life • John Campbell

... he said dreamily. 'I haf a rock-crystal lens which is permeable to this light, und which I can place in mine camera. I must have a concave mirror, not of glass, which is opaque to this ...
— The Grain Ship • Morgan Robertson

... I told my grandfather of the phenomenon I had seen at sunrise. He said that it is called the Anthelia. It arises from the rays of the sun thrown on the concave and convex surfaces of the dew-drops, each particle furnishing a double reflection. The halo is caused chiefly, I fancy, by the contrast of the excessively dark shadow with the surrounding brightness. The further off the dew-drops are from ...
— My First Voyage to Southern Seas • W.H.G. Kingston

... ounces. One side, which is the uppermost in throwing, is slightly convex, and is sometimes elaborately carved. The lower side is flat and plain. The boomerang is held, not as a sabre, but sickle-wise, or concave towards the thrower and, as a rotatory motion is imparted to it when sent off, the air presents so much resistance to the flat side and so little to the sharp edge as it cuts forward, that the long-sustained flight of the whirling missile seems ...
— Three Expeditions into the Interior of Eastern Australia, Vol 2 (of 2) • Thomas Mitchell

... found among the Chippewas, in which thirteen pieces or dice were used. Nine of them were of bone and were fashioned in figures typifying fish, serpents, etc. One side of each was painted red and had dots burned in with a hot iron. The brass pieces were circular having one side convex and the other concave. The convex side was bright, the concave dark or dull. The red pieces were the winning pieces and each had an arithmetical value. Any number of players might play. A wooden bowl, curiously carved and ornamented, was ...
— Indian Games • Andrew McFarland Davis

... from thee and live!— Pardon me, airy planet, that I prize One thought beyond thine argent luxuries! How far beyond!" At this a surpris'd start Frosted the springing verdure of his heart; 190 For as he lifted up his eyes to swear How his own goddess was past all things fair, He saw far in the concave green of the sea An old man sitting calm and peacefully. Upon a weeded rock this old man sat, And his white hair was awful, and a mat Of weeds were cold beneath his cold thin feet; And, ample as the largest winding-sheet, A cloak of blue wrapp'd up his aged bones, O'erwrought ...
— Endymion - A Poetic Romance • John Keats

... and sometimes has concave niches on each side (p. 130). It is covered either with a barrel or with a cross-groined vault, and communicates with the prothesis and ...
— Byzantine Churches in Constantinople - Their History and Architecture • Alexander Van Millingen

... of the terrace has been washed away and deposited in the lower angle, and the result is the beginning of a good series of curves. Figure 59 shows an ideal slope, with its double curve, comprising a convex curve on the top of the bank, and a concave curve at the lower part. This is a slope that would ordinarily be terraced, but in its present condition it is a part of the landscape picture. It may be mown as readily as any other part of the lawn, and it ...
— Manual of Gardening (Second Edition) • L. H. Bailey

... beginning; for the last he spake Agreed not with the first. But not the less My fear was at his saying; sith I drew To import worse perchance, than that he held, His mutilated speech. "Doth ever any Into this rueful concave's extreme depth Descend, out of the first degree, whose pain Is deprivation merely of sweet hope?" Thus I inquiring. "Rarely," he replied, "It chances, that among us any makes This journey, which I wend. Erewhile 'tis true Once came I here beneath, ...
— The Divine Comedy • Dante



Words linked to "Concave" :   cupulate, pouch-shaped, recessed, concave polyhedron, bursiform, bowl-shaped, patelliform, convex, saclike, concavo-convex, acetabular, concave shape, pouchlike, concave lens, umbilicate, concaveness, boat-shaped, dish-shaped, cotyloid, cuplike, cupular, planoconcave



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