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narceine

American  
[nahr-see-een, -in] / ˈnɑr siˌin, -ɪn /

noun

Pharmacology.

  1. a narcotic alkaloid, C 2 3 H 2 7 NO 8 , occurring in opium and acting as a mild relaxant on smooth muscle.

narceine British  
/ ˈnɑːsiːn /

noun

  1. a narcotic alkaloid that occurs in opium. Formula: C 23 H 27 O 8 N

"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

Etymology

Origin of narceine

< French narcéine (1832), irregular < Greek nárkē numbness ( narco- ) + French -ine -ine 2

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.