/ Dictionary / Index T tuberculin test: Meaning and Definition of Find definitions for: tuber'culin test" Pronunciation: [key] a test for tuberculosis in which a hypersensitive reaction to a given quantity of tuberculin indicates a past or present infection. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tuberculinize tuberculoid Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language