/ Dictionary / Index A absorption: Meaning and Definition of Find definitions for: ab•sorp•tion Pronunciation: (ab-sôrp'shun, -zôrp'-), [key] — n. the act of absorbing. the state or process of being absorbed. assimilation; incorporation: the absorption of small farms into one big one. uptake of substances by a tissue, as of nutrients through the wall of the intestine. a taking in or reception by molecular or chemical action, as of gases or liquids. the removal of energy or particles from a beam by the medium through which the beam propagates. complete attention or preoccupation; deep engrossment: absorption in one's work. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: absorption (Thesaurus) absorptiometer absorption band Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language