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Definition of Absorption coefficient
1. Noun. 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"
Definition of Absorption coefficient
1. Noun. (physics) 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. ¹
¹ Source: wiktionary.com
Medical Definition of Absorption coefficient
1.