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infrared Definition
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infrared
adjective(in-fra-red)situated outside the visible spectrum at its red end —used of radiation having a wavelength between about 700 nanometers and 1 millimeter
infrared
adjective(in-fra-red)relating to, producing, or employing infrared radiation
infrared
adjective(in-fra-red)sensitive to infrared radiation
infrared
adjective(in-fra-red)of or relating to the longer wavelengths of radiation in the infrared spectrum and especially to those between 10 and 1000 micrometers
infrared
adjective(in-fra-red)of or relating to the shorter wavelengths of radiation in the infrared spectrum and especially to those between 0.7 and 2.5 micrometers