/ Dictionary / Index T tinstone: Meaning and Definition of Find definitions for: tin•stone Pronunciation: (tin'stōn"), [key] — n. Mineral. cassiterite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tin spirit tint Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language