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nicotine

play
noun nic·o·tine \ˈni-kə-ˌtēn\

Simple Definition of nicotine

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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of nicotine

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

Origin of nicotine

French, from New Latin nicotiana


First Known Use: 1819


NICOTINE Defined for Kids

nicotine

play
noun nic·o·tine \ˈni-kə-ˌtēn\

Definition of nicotine for Students

  1. :  a poisonous substance found in small amounts in tobacco




Medical Dictionary

nicotine

play
noun nic·o·tine \ˈnik-ə-ˌtēn\

Medical Definition of nicotine

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



Biographical Note for nicotine

Nicot \nē-kō\play , 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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