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
Some, like nicotine, even resist treatment, polluting waterways and potentially contaminating water used for consumption, the study notes.
L'Hoir's daughter was diagnosed with nicotine poisoning and received treatment before being released that evening, the CBC reported.
Some Lincolnshire officials have concerns with raising the minimum age for tobacco and nicotine sales to 21 after recently being asked by Lake County health officials to take up the cause within their own borders.
The smoke released by heat-not-burn cigarettes had 84 percent of the nicotine found in traditional cigarettes, according to the results published in JAMA Internal Medicine.
A conclusive study at Stanford University proved nicotine to be beneficial to pilots.
When still air settles over Shanghai, the sky turns thick and white, the horizon the color of a nicotine stain.
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.
Origin and Etymology of nicotine
French, from New Latin nicotiana
First Known Use: 1817See Words from the same year
NICOTINE Defined for English Language Learners
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
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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