ABSORPTANCE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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

Example:

absorptance equals 1 minus transmittance

Synonyms:

absorptance; absorption coefficient; coefficient of absorption

Classified under:

Nouns denoting quantities and units of measure

Hypernyms ("absorptance" is a kind of...):

coefficient (a constant number that serves as a measure of some property or characteristic)

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