Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun absorptance

1 sense of absorptance

Sense 1
absorption coefficient, coefficient of absorption, absorptance -- (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")
       => coefficient -- (a constant number that serves as a measure of some property or characteristic)

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