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Related to infrared spectrum: Light spectrum
infrared spectrum[¦in·frə¦red ¦spek·trəm]
The range of wavelengths of infrared radiation.
A display or graph of the intensity of infrared radiation emitted or absorbed by a material as a function of wavelength or some related parameter.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.