/ Dictionary / Index M MT: Meaning and Definition of Find definitions for: MT Pronunciation: [key] mechanical translation. megaton; megatons. Montana (approved esp. for use with zip code). Mountain time. Mt. Pronunciation: [key] mount: Mt. Rainier. mountain. M.T. Pronunciation: [key] metric ton. Mountain time. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mt (Thesaurus) M.S.W. mtg. Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language