nicotine

[ nik-uh-teen, -tin, nik-uh-teen ]

/ ˈnɪk əˌtin, -tɪn, ˌnɪk əˈtin /

noun Chemistry.

a colorless, oily, water-soluble, highly toxic, liquid alkaloid, C10H14N2, found in tobacco and valued as an insecticide.

Nearby words

nicotiana, nicotin-, nicotinamide, nicotinamide adenine dinucleotide, nicotinamide adenine dinucleotide phosphate, nicotine, nicotinic, nicotinic acid, nicotinism, nicotinize, nicoya

Origin of nicotine

From French, dating back to 1810–20; see origin at nicotiana, -ine²

Related forms

nic·o·tined, adjectivenic·o·tine·less, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for nicotine

Ground glass is put in food to cause internal bleeding, and nicotine concentrated by boiling can cause a heart attack.
A Million Ways to Die in Prison|Daniel Genis|December 8, 2014|DAILY BEAST
A man named Herbert Gilbert patented one back in 1963 that heated a nicotine solution and produced steam.
This Is Your E-Cigarette on Drugs|Daniel Genis|July 28, 2014|DAILY BEAST
Even after recovering from the initial sickness, patients can be left in nicotine withdrawal that lasts for days.
CDC Study Finds Huge Increase of E-Cigarette Poisonings, Especially Among Children Under 5|Abby Haglage|April 3, 2014|DAILY BEAST
E-cigarette users, who call themselves “vapers,” see them as a relatively harmless way to get a nicotine fix.
E-Cigarettes, Facing Ban, Still Figuring Out What They Want to Be|Alex Halperin|December 19, 2013|DAILY BEAST

Then there is the nicotine: a stimulant that for the addict also has the added effect of calming the nerves.
My (Electronic) Cigarette Addiction|Eli Lake|January 31, 2013|DAILY BEAST
It is highly poisonous, and resembles conine and nicotine in its general properties.
Cooley's Practical Receipts, Volume II|Arnold Cooley
Sabas laughed noisily, coughed, and got rid of his nicotine.
The Joy of Captain Ribot|Armando Palacio Valds
After my own experience of deathly dullness, I heartily sympathise with those who seek relief in alcohol and nicotine.
Caught by the Turks|Francis Yeats-Brown
It is therefore obvious that the strength of tobacco in nicotine varies between wide limits.
Poisons: Their Effects and Detection|Alexander Wynter Blyth
The longer the plant is permitted to grow the larger will be its nicotine content.
Tobacco Leaves|W. A. Brennan

British Dictionary definitions for nicotine

nicotine

/ (ˈnɪkəˌtiːn) /

noun

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

Derived Forms

nicotined, adjectivenicotinic (ˌnɪkəˈtɪnɪk), adjective

Word Origin for nicotine

C19: from French, from New Latin herba nicotiana Nicot's plant, named after J. Nicot (1530–1600), French diplomat who introduced tobacco into France

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

Medicine definitions for nicotine

nicotine

[ nĭk′ə-tēn′ ]

n.

A colorless, poisonous alkaloid derived from the tobacco plant and used as an insecticide. It is the substance in tobacco to which smokers can become addicted.

Science definitions for nicotine

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.

Culture definitions for nicotine

nicotine

[ (nik-uh-teen) ]

A poisonous chemical substance found in the tobacco plant.