WordReference Random House Unabridged Dictionary of American English © 2026
tro•pine
(trō′pēn, -pin),USA pronunciation n. [Chem.]
- Chemistrya white, crystalline, hygroscopic, water-soluble, poisonous alkaloid, C8H15NO, obtained chiefly by the hydrolysis of atropine or hyoscyamine.
- aphetic variant of atropine 1880–85
'tropine' also found in these entries (note: many are not synonyms or translations):