[hahy-dras-teen, -tin]
noun Pharmacology.
  1. an alkaloid, C21H21NO6, that is extracted from the roots of goldenseal and forms prismatic crystals: used as an astringent and to inhibit uterine bleeding.

Origin of hydrastine

First recorded in 1875–80; hydrast(is) + -ine2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hydrastine

Historical Examples of hydrastine

British Dictionary definitions for hydrastine


  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

Word Origin for hydrastine

C19: from hydrast (is) + -ine ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

hydrastine in Medicine


[hī-drăstēn′, -tĭn]
  1. A poisonous white alkaloid obtained from the yellow root of a woodland plant and formerly used locally to treat inflammation of mucous membranes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.