Simple Definition of nicotine
: a poisonous substance in tobacco that makes it difficult for people to stop smoking cigarettes
Full Definition of nicotine
: a poisonous alkaloid C10H14N2 that is the chief active principle of tobacco and is used as an insecticide
Origin and Etymology of nicotine
French, from New Latin nicotiana
First Known Use: 1819
NICOTINE Defined for Kids
Definition of nicotine for Students
: a poisonous substance found in small amounts in tobacco
Medical Definition of nicotine
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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