1. (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body; [syn: absorptivity, absorption factor]
WordNet (r) 3.0 (2006):
absorption factor
n 1: (physics) the property of a body that determines the
fraction of the incident radiation or sound flux absorbed
or absorbable by the body [syn: absorptivity, absorption
factor]