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[pik-ruh-tok-sin] /ˌpɪk rəˈtɒk sɪn/
noun, Pharmacology.
a white, crystalline, bitter, poisonous, central nervous system stimulant, C 3 0 H 3 4 O 1 3 , obtained from the seeds of Anamirta cocculus: used chiefly in the treatment of barbiturate poisoning.
Origin of picrotoxin
1865-70; < Greek pikr(ós) bitter + -o- + toxin
Related forms
picrotoxic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for picrotoxin


a bitter poisonous crystalline compound formerly used as an antidote for barbiturate poisoning. Formula: C30H34O13
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
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picrotoxin in Medicine

picrotoxin pic·ro·tox·in (pĭk'rə-tŏk'sĭn)
A bitter crystalline compound derived from the seed of an East Indian woody vine and used as a stimulant, especially in treating barbiturate poisoning.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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