nic·​o·​tine | \ ˈni-kə-ˌtēn How to pronounce nicotine (audio) \

Definition of nicotine

: a poisonous alkaloid C10H14N2 that is the chief active principle of tobacco and is used as an insecticide

Examples of nicotine in a Sentence

Recent Examples on the Web

Since August of last year, these online posts featuring e-liquid products have been required to include nicotine notices. Sarah Min, CBS News, "Federal watchdogs warn vaping companies over online marketing practices," 7 June 2019 Existing medicine for addiction, such as methadone for heroin, or nicotine substitutes for tobacco, is not very effective. The Economist, "Magic mushrooms, illegal in most places, may have therapeutic uses," 7 June 2019 Burns has met with the bill’s author, City Attorney Dennis Herrera, and members of the Board of Supervisors to discuss ways to prevent minors from buying Juul’s popular vaping devices and nicotine pods. Catherine Ho,, "Juul vows to stay in San Francisco despite crackdown on vaping," 6 June 2019 North Carolina officials are suing Juul Labs Inc., accusing the e-cigarette startup of targeting teenagers and misrepresenting the strength and health risks from the addictive nicotine in its products. Maria Armental, WSJ, "North Carolina Accuses Juul of Targeting Teens in Lawsuit," 15 May 2019 One refill pod contains as much nicotine as of a pack of cigarettes. Jennifer Maloney, WSJ, "Altria Will Pull Its E-Cigarette Pods From the Market," 25 Oct. 2018 The ban aims to address major public health concerns about a generation of young people who are getting hooked on vaping and nicotine. Rachel Becker, The Verge, "What a ban on e-cigarette flavors could mean for Big Tobacco," 9 Nov. 2018 Evidence suggests that cannabis—though not without its risks—is less harmful than legal substances such as alcohol and nicotine. The Editors, Scientific American, "End the War on Weed," 1 May 2018 The results held whether the e-cigarettes contained nicotine or not. Hallie Detrick, Fortune, "Are E-Cigarettes Going Up in Smoke? Users Show Same Cancer-Causing Chemicals as Regular Smokers," 6 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nicotine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of nicotine

1817, in the meaning defined above

History and Etymology for nicotine

French, from New Latin nicotiana

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Statistics for nicotine

Last Updated

18 Jun 2019

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Time Traveler for nicotine

The first known use of nicotine was in 1817

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More Definitions for nicotine



English Language Learners Definition of nicotine

: a poisonous substance in tobacco that makes it difficult for people to stop smoking cigarettes


nic·​o·​tine | \ ˈni-kə-ˌtēn How to pronounce nicotine (audio) \

Kids Definition of nicotine

: a poisonous substance found in small amounts in tobacco


nic·​o·​tine | \ ˈnik-ə-ˌtēn How to pronounce nicotine (audio) \

Medical Definition of nicotine

: a poisonous alkaloid C10H14N2 that is the chief active principle of tobacco and that is used as an insecticide and is sometimes used in smoking cessation aids

Note: Trademarks for nicotine include Nicoderm, Nicorette, and Nicotrol.

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More from Merriam-Webster on nicotine

Rhyming Dictionary: Words that rhyme with nicotine

Spanish Central: Translation of nicotine

Nglish: Translation of nicotine for Spanish Speakers

Britannica English: Translation of nicotine for Arabic Speakers Encyclopedia article about nicotine

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