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infrared radiation

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
In`fra`red´ Ra`di`a´tion
n.1.(Physics) electromagnetic radiation having a wavelength of between 700 nanometers and 1 millimeter.
Radiation emitted or reflected in the infrared portion of the electromagnetic spectrum.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.infrared radiation - electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
infrared emission, infrared light, infrared
actinic radiation, actinic ray - electromagnetic radiation that can produce photochemical reactions
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High levels of infrared radiation near a star suggest that the star is surrounded by dust.
A star's belt of dust and rocks by Sohn, Emily / Science News for Kids
The physicists used experimental LEDs that they had designed to emit infrared radiation when illuminated by an infrared laser.
On-chip lamp scores a bull's-eye by Weiss, P. / Science News
Sensors detect a spark's infrared radiation and trigger the control console to automatically activate programmable countermeasures, including extinguishment, deluge, abort or automatic machinery shutdown.
Spark detector by Rubber World
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