/ Dictionary / Index T thio salt: Meaning and Definition of Find definitions for: thi'o salt' Pronunciation: [key] — Chem. Chem. a salt of a thio acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thioridazine thiosinamine Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language