infrared

  1. Noun.  electromagnetic radiation of a wavelength longer than visible light, but shorter than microwave radiation, having a wavelength between 700 nm and 1 mm.
  2. Adjective.  Having the wavelength in the infrared.
  3. Adjective.  In the infrared spectrum.

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This entry was last updated on RefTopia from its source on 3/20/2012.