/ Dictionary / Index T troostite: Meaning and Definition of Find definitions for: troost•ite Pronunciation: (tr'stīt), [key] — n. a microconstituent of hardened and tempered steel, consisting of a very fine aggregate of ferrite and cementite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. troopship trop* Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language