"13586455-n"^^ . "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\""@en-us . "112821284"@en-us . . "113586455"^^ . . . . . . "absorption coefficient"@en-us . "absorptance"@en-us . . "absorption coefficient"^^ . . . . . . "0"^^ . "0"^^ . . "109762451"@en-us . "coefficient of absorption"@en-us .