absorption coefficient, coefficient of absorption, absorptance(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
"absorptance equals 1 minus transmittance"
The ability of an object to absorb radiation, measured as the ratio of absorbed flux to incident flux.
Origin: Circa 20th century, from .
The numerical value of absorptance in Chaldean Numerology is: 5
The numerical value of absorptance in Pythagorean Numerology is: 6
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"absorptance." Definitions.net. STANDS4 LLC, 2018. Web. 20 Apr. 2018. <https://www.definitions.net/definition/absorptance>.