- a poisonous crystalline alkaloid, C17H23NO3, obtained from belladonna and other plants of the nightshade family, that prevents the response of various body structures to certain types of nerve stimulation: used chiefly to relieve spasms, to lessen secretions, and, topically, to dilate the pupil of the eye.
Origin of atropine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for atropine
Victims were treated with atropine, which was somewhat successful in combatting the symptoms.Obama Administration Stiffs Chemical Survivors on New Claim
Josh Rogin, Noah Shachtman
February 20, 2014
One contains no quinine at all—it is all morphine and atropine.The Silent Bullet
Arthur B. Reeve
Atropine is used in veterinary practice, from 32·4 to 64·8 mgrms.
Atropine or curare have no influence on the heart thus poisoned.
After the atropine no lymph-flow occurs on stimulating the nerve.
As for your betrothed, you shall give him a dose of curare or atropine.Marie Tarnowska
- a poisonous alkaloid obtained from deadly nightshade, having an inhibitory action on the autonomic nervous system. It is used medicinally in pre-anaesthetic medication, to speed a slow heart rate, and as an emergency first-aid counter to exposure to chemical warfare nerve agents. Formula: C 17 H 23 NO 3
C19: from New Latin atropa deadly nightshade, from Greek atropos unchangeable, inflexible; see Atropos
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
Word Origin and History for atropine
Online Etymology Dictionary, © 2010 Douglas Harper
- An alkaloid obtained from belladonna and related plants, used to dilate the pupils of the eyes and as an antispasmodic, antisudorific, and anticholinergic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A poisonous, bitter, crystalline alkaloid derived from deadly nightshade and related plants. It is used as a drug to dilate the pupils of the eye and to inhibit muscle spasms. Chemical formula: C17H23NO3.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.