/ Dictionary / Index A alpha-adrenergic: Meaning and Definition of Find definitions for: al•pha-ad•ren•er•gic Pronunciation: (al'fu ad"ru-nûr'jik), [key] — adj. of or pertaining to an alpha receptor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alpha alpha-adrenergic receptor Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language