Wielki słownik angielsko-polski red. nacz D. Jemielniak, M. Miłkowski

(Noun) fizyka absorpcyjność, współczynnik absorpcji;

Wordnet angielsko-polski

(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")
absorbancja
synonim: absorption coefficient
synonim: coefficient of absorption