- the former name for propanoic acid
WordReference Random House Unabridged Dictionary of American English © 2026
pro′pion′ic ac′id, [Chem., Pharm.]
- Chemistry, Drugsa colorless, oily, water-soluble liquid, C3H6O2, having a pungent odor: used in making bread-mold-inhibiting propionates, in perfumery, and in medicine as a topical fungicide.
- 1850–55
Collins Concise English Dictionary © HarperCollins Publishers::
'propionic acid' also found in these entries (note: many are not synonyms or translations):