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Polarity   Listen
noun
Polarity  n.  
1.
(Physics) That quality or condition of a body in virtue of which it exhibits opposite, or contrasted, properties or powers, in opposite, or contrasted, parts or directions; or a condition giving rise to a contrast of properties corresponding to a contrast of positions, as, for example, attraction and repulsion in the opposite parts of a magnet, the dissimilar phenomena corresponding to the different sides of a polarized ray of light, etc.
2.
(Geom.) A property of the conic sections by virtue of which a given point determines a corresponding right line and a given right line determines a corresponding point. See Polar, n.






Collaborative International Dictionary of English 0.48








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"Polarity" Quotes from Famous Books



... general sequence of scientific truth. Hence, having established the existence of a phenomenon, his habit was to look at it from all possible points of view, and to develop its relationship to other phenomena. He proved that the direction of the rotation depends upon the polarity of his magnet; being reversed when the magnetic poles are reversed. He showed that when a polarized ray passed through his heavy glass in a direction parallel to the magnetic lines of force, the rotation ...
— Faraday As A Discoverer • John Tyndall

... market as a monitor, noting each day, with unerring fidelity, the decline in value of the assignat; a monitor not to be bribed, not to be scared. As well might the National Convention try to bribe or scare away the polarity of the mariner's compass. On August 1, 1795, this gold louis of 25 francs was worth in paper, 920 francs; on September 1st, 1,200 francs; on November 1st, 2,600 francs; on December 1st, ...
— Fiat Money Inflation in France - How It Came, What It Brought, and How It Ended • Andrew Dickson White

... Elective Polarity the Universal Agent. By Frances Barbara Burton, authoress of 'Astronomy familiarized,' 'Physical Astronomy,' &c. London, ...
— A Budget of Paradoxes, Volume I (of II) • Augustus De Morgan

... after he is gone. We are bits of iron charged by this magnet, and lose our quality when it is removed; we are not quite made magnets as we should be by this magnetic planet and the revolutions of the sun; yet the great polarity of our globe is a sum of little polarities, and every scrap of metal has its own. We are made musical by the passing band; we go on humming and marching to the air; but he who wrote it was made musical by silence and sunshine. ...
— The Atlantic Monthly, Vol. 13, No. 76, February, 1864 • Various

... Magazine, entitled "Gary's Magnetic Motor," was incidentally alluded to, and Prof. C. A. Seeley made the following remarks: The article claims that Mr. Gary has made a discovery of a neutral line or surface, at which the polarity of an induced magnet, while moving in the field of the inducing pole, is changed. The alleged discovery appears to be an exaggerated statement of some curious facts, which, although not new, are not commonly recognized. If a bar of iron be brought up, end ...
— Scientific American, Volume 40, No. 13, March 29, 1879 • Various

... but less strongly diamagnetic than bismuth. If therefore the action referred to be due to induced currents we ought to have it greater in the case of antimony than with bismuth; but if it springs from a true diamagnetic polarity, the action of the bismuth ought to exceed that of the antimony. Experiment proves this to be the case. Hence the deflection produced by these metals is due to their diamagnetic, and not to their conductive ...
— Fragments of science, V. 1-2 • John Tyndall

... have nothing to do with the vast assemblage of infusorial and cryptogamic organisms, until they assume definitely recurring forms, that is, rise into species and breed true to nature. Then, he agrees with Mr. Darwin, that the law of vital polarity or "heredity," as he calls it, may come in and play its part towards effecting evolution, or variability, in both animal and vegetal organisms, but not before. Why then should he lug in, or attempt to lug in, the diverse potentialities ...
— Life: Its True Genesis • R. W. Wright



Words linked to "Polarity" :   positiveness, positivity, oppositeness, mutual opposition, negativity



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