WordReference Random House Unabridged Dictionary of American English © 2026
pro•pi•on•ic
(prō′pē on′ik, -ō′nik),USA pronunciation adj. [Chem.]
- Chemistryof or derived from propionic acid.
- pro-2 + Greek pion- (stem of píōn) fat + -ic 1840–50
'propionic' also found in these entries (note: many are not synonyms or translations):