hydrastine

American  

[hahy-dras-teen, -tin] / haɪˈdræs tin, -tɪn /

noun

Pharmacology.

1. an alkaloid, C 21 H 21 NO 6 , that is extracted from the roots of goldenseal and forms prismatic crystals: used as an astringent and to inhibit uterine bleeding.

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hydrastine British  

/ haɪˈdræstiːn, -tɪn /

noun

1. a white poisonous alkaloid extracted from the roots of the goldenseal: has been used in medicine (in the form of one of its water-soluble salts) to contract the uterus and arrest haemorrhage. Formula: C 21 H 21 NO 6

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Etymology

Origin of hydrastine

First recorded in 1875–80; hydrast(is) + -ine ²