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Infra-red   Listen
adjective
Infra-red, Infrared  adj.  
1.
(Physics) Lying outside the visible spectrum at its red end; said of rays having a longer wavelength (and thus less refrangible) than the extreme red rays, specifically those electromagnetic waves having a wavelength of between 700 nanometers and 1 millimeter.
2.
Relating to, using, or producing infrared radiation.
3.
Affected by infrared radiation; as, infrared detector; infrared film.






Collaborative International Dictionary of English 0.48








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"Infra-red" Quotes from Famous Books



... problem, and neither was recreation. The bunkhouse offered crude but adequate facilities for living; old-fashioned air-conditioning and an antique infra-red broiler seemed good enough for roughing it, and Cookie at least turned out real man-sized meals. Eating genuine beef and honest-to-goodness baked bread was a treat, and so was having the luxury of all that space in the sleeping quarters. Harry ...
— This Crowded Earth • Robert Bloch

... tedious part of the whole process has been the determination of the wave-lengths. It will be remembered that we have (except through the work of Capt. Abney already cited, and perhaps of M. Mouton) no direct knowledge of the wave-lengths in the infra-red prismatic spectrum, but have hitherto inferred them from formulas like the well-known one of Cauchy's, all which known to me appear to be here found erroneous by the test of direct experiment, at least in the case of the prism ...
— Scientific American Supplement, No. 363, December 16, 1882 • Various

... Admiral. I've been listening to the intercom. Our optical equipment isn't designed for close range work, but we've been doing the best we can, tried everything from infra-red through ultra-violet. If there is a ship out ...
— A Matter of Magnitude • Al Sevcik

... telescope, reflecting telescope, reflector, refracting telescope, refractor, Newtonian telescope, folded-path telescope, finder telescope, chromatoscope; X-ray telescope; radiotelescope, phased-array telescope, Very Large Array radiotelescope; ultraviolet telescope; infrared telescope; star spectroscope; space telescope. [telescope mounts] altazimuth mount, equatorial mount. refractometer, circular dichroism spectrometer. interferometer. phase-contrast microscope, fluorescence microscope, dissecting microscope; electron microscope, transmission electron microscope; ...
— Roget's Thesaurus



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