WordReference Random House Unabridged Dictionary of American English © 2026
hy•dras•tine
(hī dras′tēn, -tin),USA pronunciation n. [Pharm.]
- Drugsan alkaloid, C21H21NO6, that is extracted from the roots of goldenseal and forms prismatic crystals: used as an astringent and to inhibit uterine bleeding.
- hydrast(is) + -ine2 1875–80
'hydrastine' also found in these entries (note: many are not synonyms or translations):