atropine
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
1Words Nearby atropine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use atropine in a sentence
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 | THE DAILY BEASTIn 1832 Robiquet discovered codeine; and in 1833 atropine, aconitine, and hyoscyamine were distinguished by Geiger and Hesse.
Poisons: Their Effects and Detection | Alexander Wynter Blythatropine can be formed by uniting tropine and tropic acid, the two decomposition products already noted.
Visual acuteness on both sides 5/12, the left slightly better than the right; emmetropia in mydriasis by atropine.
Schweigger on Squint | C. SchweiggerIf there be a tendency to convergence, glasses should be worn and atropine used.
Other salts of atropine are not described because used substantially like the above.
Merck's 1899 Manual | Merck & Co.
British Dictionary definitions for atropine
atropin (ˈætrəpɪn)
/ (ˈætrəˌpiːn, -pɪn) /
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
Origin of atropine
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for atropine
[ ăt′rə-pēn′, -pĭn ]
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.
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