infrared definition

  • adjective:
    • Of or concerning the number of hidden radiation wavelengths from about 750 nanometers, only more than purple into the noticeable spectrum, to 1 millimeter, on border of this microwave area.
    • Generating, using, or responsive to infrared radiation.
    • Having the wavelength in the infrared.
    • Lying outside of the noticeable spectrum at its purple end; -- stated of rays having a lengthier wavelength (and therefore less refrangible) as compared to severe purple rays, particularly those electromagnetic waves having a wavelength of between 700 nanometers and 1 millimeter.
    • regarding, using, or making infrared radiation.
    • impacted by infrared radiation.
    • having or using wavelengths longer than light but reduced than radio waves; lying outside of the visible spectrum at its purple end
  • noun:
    • Infrared light or perhaps the infrared area of the range.
    • electromagnetic radiation of a wavelength more than noticeable light, but reduced than microwave radiation, having a wavelength between 700 nm and 1 mm
    • the infrared area associated with the electromagnetic spectrum; electromagnetic trend frequencies underneath the visible range
    • electromagnetic radiation with wavelengths longer than visible light but reduced than radio waves
  • others:
    • underneath the purple.

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