bn:00000470n
Noun Concept
Categories: Physical quantities, Acoustics, Radiometry
EN
absorption coefficient  coefficient of absorption  absorptance
EN
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 WordNet 3.0
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EN
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 WordNet 3.0 & Open English WordNet
In the study of heat transfer, absorptance of the surface of a material is its effectiveness in absorbing radiant energy. Wikipedia
ratio of absorbed to incident radiant flux Wikidata
A measure of the absorption of electromagnetic radiation as it passes through a specific substance; the fraction of incident radiation absorbed by unit mass or unit thickness; absorptivity. Wiktionary
Measure of absorption. Wiktionary (translation)
EN
Absorptance equals 1 minus transmittance WordNet 3.0 & Open English WordNet
WordNet 3.0 & Open English WordNet
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