WordReference Random House Unabridged Dictionary of American English © 2026
phthal•ic
(thal′ik, fthal′-),USA pronunciation adj. [Chem.]
- Chemistryof or derived from phthalic acid.
- (na)phthal(ene) + -ic 1855–60
'phthalic' also found in these entries (note: many are not synonyms or translations):