/ 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: ravenous Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language