/ Dictionary / Index A allergenic: Meaning and Definition of Find definitions for: al•ler•gen•ic Pronunciation: (al"ur-jen'ik), [key] — adj. causing allergic sensitization. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: allergenic (Thesaurus) allergen allergic Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language