/ Dictionary / Index A adsorbate: Meaning and Definition of Find definitions for: ad•sorb•ate Pronunciation: (ad-sôr'bāt, -bit, -zôr'-), [key] — n. a substance that is adsorbed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adsorbate (Thesaurus) adsorb adst. feb. Related Content Daily Word Quiz: verbose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language