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Infrared - Dictionary Definition and Overview |
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Infrared : adj : having or employing wavelengths longer than light but
shorter than radio waves; lying outside the visible
spectrum at its red end; "infrared radiation";
"infrared photography"
(noun)
1: the infrared part of the electromagnetic spectrum;
electromagnetic wave frequencies below the visible
range; "they could sense radiation in the infrared"
[syn: infrared frequency]
2: electromagnetic radiation with wavelengths longer than
visible light but shorter than radio waves [syn: infrared
light, infrared radiation, infrared emission]
Based on WordNet 2.0
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Infra-red \In`fra-red"\, a. [Infra- _ red.] (Physics)
Lying outside the visible spectrum at its red end; -- said of
rays less refrangible than the extreme red rays.
Based on Webster's Revised Unabridged Dictionary
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Infrared :
(IR) Electromagnetic waves in the frequency
range just below visible light corresponding to radiated heat.
IR waves can be generated by a kind of LED and are often
used for remote controls for televisions etc. and in some
docking stations.
(1997-01-30)
Based on Webster's Revised Unabridged Dictionary (1913)
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