/ Dictionary / Index T triplite: Meaning and Definition of Find definitions for: trip•lite Pronunciation: (trip'līt), [key] — n. a dark-brown, massive mineral, fluorophosphate of iron and manganese. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trip line triploblastic Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language