a white, crystalline, slightly water-soluble, poisonous alkaloid, C19H21NO3, present in opium in small quantities, but having a strychninelike rather than a narcotic effect.
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How to use thebaine in a sentence
Chloroform dissolves thebaine with difficulty out of both acid and alkaline solutions; petroleum ether extracts it from neither.Poisons: Their Effects and Detection | Alexander Wynter Blyth
British Dictionary definitions for thebaine
a poisonous white crystalline alkaloid, found in opium but without opioid actions. Formula: C 19 H 21 NO 3: Also called: paramorphine
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