/ Dictionary / Index B beta-adrenergic: Meaning and Definition of Find definitions for: be•ta-ad•ren•er•gic Pronunciation: (bā'tu ad"ru-nûr'jik or, esp. Brit., bē'-), [key] — adj. of or pertaining to a beta receptor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. beta beta-adrenergic receptor Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language