nicotine

noun

nic·​o·​tine ˈni-kə-ˌtēn How to pronounce nicotine (audio)
: 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 Latest in Health 7 hours ago Family - Parenting 400,000 American teenagers are using addictive nicotine pouches like Zyn. Eva Roytburg, Fortune, 7 June 2024 Worried Uncle Dear Worried: These parents’ choice to hook their daughter on vaping nicotine, allegedly in order to protect her from tar and other chemicals present in cigarettes is not only incomprehensible, but reprehensible. Amy Dickinson, Detroit Free Press, 11 Feb. 2024 For example, e-cigarettes and tobacco cigarettes are essentially nicotine dispensers. Bryant Stamford, The Courier-Journal, 8 Feb. 2024 Research has shown that nicotine exposure results in long-term functional and structural changes in the brain. Jon-Patrick Allem, The Conversation, 31 May 2024 See all Example Sentences for nicotine 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nicotine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

French, from New Latin nicotiana

First Known Use

1817, in the meaning defined above

Time Traveler
The first known use of nicotine was in 1817

Cite this Entry

“Nicotine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nicotine. Accessed 16 Jun. 2024.

Kids Definition

nicotine

noun
nic·​o·​tine ˈnik-ə-ˌtēn How to pronounce nicotine (audio)
: a poisonous substance found in tobacco and used as an insecticide

Medical Definition

nicotine

noun
nic·​o·​tine ˈnik-ə-ˌtēn How to pronounce nicotine (audio)
: 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.

More from Merriam-Webster on nicotine

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!