nicotine

noun nic·o·tine \ ˈni-kə-ˌtēn \
Updated on: 1 Dec 2017

Definition of nicotine

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

Recent Examples of nicotine from the Web

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Origin and Etymology of nicotine

French, from New Latin nicotiana


NICOTINE Defined for English Language Learners

nicotine

noun

Definition of nicotine for English Language Learners

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


NICOTINE Defined for Kids

nicotine

noun nic·o·tine \ ˈni-kə-ˌtēn \

Definition of nicotine for Students

: a poisonous substance found in small amounts in tobacco

Medical Dictionary

nicotine

noun nic·o·tine \ ˈnik-ə-ˌtēn \

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.

Biographical Note for nicotine

  • Nicot play \nē-kō\, Jean (1530?–1600), French diplomat. While French ambassador to Portugal, Nicot introduced tobacco to France by sending tobacco seeds as a gift to the French court in 1560. Linnaeus named the plant genus Nicotiana in his honor in 1753.


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