/ Dictionary / Index I injectant: Meaning and Definition of Find definitions for: in•jec•tant Pronunciation: (in-jek'tunt), [key] — n. a substance injected through the skin, as bee-sting venom or penicillin administered by injection, that causes an allergic reaction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: injectant (Thesaurus) injectable injection Related Content Daily Word Quiz: feral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language