Dictionary
ab•sorb•ance
Pronunciation: (ab-sôr'buns, -zôr'-), [key]—
n. Physics.
the capacity of a substance to absorb radiation, expressed as the common logarithm of the reciprocal of the transmittance of the substance.
Also,ab•sorb'an•cy.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.