Breadcrumb Home > Dictionary > Index P propionic acid: Meaning and Definition of Find definitions for: pro'pion'ic ac'id Pronunciation: [key] — Chem., Pharm. Chem.,Pharm. a colorless, oily, water-soluble liquid, CHO, having a pungent odor: used in making bread-mold-inhibiting propionates, in perfumery, and in medicine as a topical fungicide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. propionic propitiate TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: insipid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language