WordReference Random House Unabridged Dictionary of American English © 2026
mor•pho•line
(môr′fə lēn′, -lin),USA pronunciation n. [Chem.]
- Chemistrya colorless, hygroscopic liquid, C4H9NO, used chiefly as a solvent for dyes, resins, and waxes.
- morph- + -ol2 + -ine2 1885–90