What is the meaning of absorption coefficient?

noun

  • A measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber.
    • usage: "absorptance equals 1 minus transmittance"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). absorption coefficient. Retrieved September 21, 2026, from http://smartdefine.org/absorption_coefficient/definitions/1243700
ChicagoWordNet. 2010. "absorption coefficient" http://smartdefine.org/absorption_coefficient/definitions/1243700 (accessed September 21, 2026).
HarvardWordNet 2010, absorption coefficient, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/absorption_coefficient/definitions/1243700>.
MLAWordNet. "absorption coefficient" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/absorption_coefficient/definitions/1243700>