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
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absorptance::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | absorption coefficient, coefficient of absorption |
| Type of | coefficient |
absorptance equals 1 minus transmittance.
