/ Dictionary / Index A antidiuretic hormone: Meaning and Definition of Find definitions for: an'tidiuret'ic hor"mone Pronunciation: [key] — Biochem. Biochem. vasopressin. Abbr.: ADH Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antidiuretic antidoron Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language