infrared

adjective
[L36774]

Compounds

In compounds

Forms

  • positive : infrared

Senses

  • relating to, producing, or employing infrared radiation
  • situated outside the visible spectrum at its red end —used of radiation having a wavelength between about 700 nanometers and 1 millimeter
  • sensitive to infrared radiation

infrared

noun
[L322535]

Forms

  • singular : infrared
  • plural : infrareds

Senses

  • the part of the electromagnetic spectrum with a longer wavelength than light but a shorter wavelength than radio waves; radiation with wavelength between 0.8 micrometres and 1 millimetre