nicotine
a colorless, oily, water-soluble, highly toxic, liquid alkaloid, C10H14N2, found in tobacco and valued as an insecticide.
Origin of nicotine
1Other words from nicotine
- nic·o·tined, adjective
- nic·o·tine·less, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for nicotine
/ (ˈnɪkəˌtiːn) /
a colourless oily acrid toxic liquid that turns yellowish-brown in air and light: the principal alkaloid in tobacco, used as an agricultural insecticide. Formula: C 10 H 14 N 2
Origin of nicotine
1Derived forms of nicotine
- nicotined, adjective
- nicotinic (ˌnɪkəˈtɪnɪk), adjective
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
Scientific definitions for nicotine
[ nĭk′ə-tēn′ ]
A colorless, poisonous compound occurring naturally in the tobacco plant. It is used in medicine and as an insecticide, and it is the substance in tobacco products to which smokers can become addicted. Nicotine is an alkaloid. Chemical formula: C10H14N2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for nicotine
[ (nik-uh-teen) ]
A poisonous chemical substance found in the tobacco plant.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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