English Explanatory Dictionary

infrared

English dictionary entry

Meanings

noun
  1. The electromagnetic radiation of a wavelength longer than visible light, but shorter than microwave radiation, having a wavelength between 700 nm and 1 mm.
  2. A specific wavelength in this range.
  3. A device that emits infrared radiation.
adj
  1. Having a wavelength in the infrared spectrum.
  2. Relating to very low energies or very large distances or time spans.

Pronunciation

/ˌɪnfɹəˈɹɛd/ LL-Q1860 (eng)-Vealhurl-infrared.wav /ˌɪnfɹəˈɹed/ /ɪn.fɾɑ.ɾĕɖ/

Word forms

infrared infrareds

Etymology

From infra- + red\

Antonyms

ultraviolet

Derived words

cosmic infrared background infrared astronomy infrared camera infrared detector infrared divergence infrared film infrared filter infrared fixed point infrared homing infrared imagery infrared lamp infrared light infrared microscope infrared motion detector infrared multiphoton dissociation infrared photography infrared pointer infrared port infrared radiation infrared remote control infrared repellor infrared sauna infrared spectroscopy infrared thermography infrared thermometer infrared waves mediumwave infrared midinfrared near infrared noninfrared
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