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A bitter crystalline compound, C30H34O13, derived from the seed of a tropical Asian woody vine (Anamirta cocculus) and used as a stimulant, especially in treating barbiturate poisoning.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Pharmacology) a bitter poisonous crystalline compound formerly used as an antidote for barbiturate poisoning. Formula: C30H34O13
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌpɪk rəˈtɒk sɪn)

a poisonous stimulant, C30H34O13, obtained from the seeds of Anamirta cocculus, used to treat barbiturate poisoning.
[1865–70; < Greek pikr(ós) bitter + -o- + toxin]
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