/ Dictionary / Index N -n't: Meaning and Definition of Find definitions for: -n't Pronunciation: [key] a contraction ofdidn't; hadn't; couldn't; shouldn't; won't; mustn't. NT Pronunciation: [key] New Testament. Northwest Territories, Canada (approved for postal use). Nt Pronunciation: [key] — Symbol, Chem. niton. nt Pronunciation: [key] — Physics. Physics. nit; nits. N.T. Pronunciation: [key] New Testament. Northern Territory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. N.S.W. N terminus Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language