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 Definitions for infrared: The Collaborative International Dictionary of English v.0.48
:
Infrared \In`fra*red"\, Infra-red \In`fra-red"\, a. [Infra- +
red.]
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.
[Webster 1913 Suppl. +PJC]
2. relating to, using, or producing infrared radiation.
[PJC]
3. affected by infrared radiation; as, infrared detector;
infrared film.
[PJC]
WordNet (r) 2.0
:
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"
n 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]
The Free On-line Dictionary of Computing (27 SEP 03)
:
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)
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infrared radiation: Definition from Answers.com
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