infrared: Meaning and Definition of
Pronunciation: (in"fru-red'), [key]
- the part of the invisible spectrum that is contiguous to the red end of the visible spectrum and that comprises electromagnetic radiation of wavelengths from 800 nm to 1 mm.
- noting or pertaining to the infrared or its component rays:Cf. ultraviolet. infrared radiation.
- infrared (Thesaurus)