Absorption coefficient and Coefficient

Absorption coefficient 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.

Coefficient and absorption coefficient are semantically related. In some cases you can use "Coefficient" instead a noun phrase "Absorption coefficient".

Coefficient noun - A constant number that serves as a measure of some property or characteristic.

Absorption coefficient and coefficient are semantically related. Sometimes you can replace phrase "Absorption coefficient" with "Coefficient", this terms are similar.