-
- To save this word, you'll need to log in.
nicotine
noun
nic·o·tine
ˈni-kə-ˌtēn
: 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
Take the nicotine in a cigarette, which has the dubious honor of being named after Jean Nicot, the person who introduced tobacco to France.
—
Daniel Seifert, JSTOR Daily, 5 Feb. 2025
Many cancer centers have free smoking cessation services, which may include behavioral counseling and nicotine replacement therapies.
—
Lana Barhum, Verywell Health, 3 Feb. 2025
Ways to Protect Your Heart Health in Midlife The American Heart Association (AHA) defines eight components of cardiovascular health: diet, physical activity, nicotine exposure, sleep health, cholesterol level, blood sugar, blood pressure and weight/BMI.
—
Lauryn Higgins, Flow Space, 3 Feb. 2025
Though nicotine pouches are seen as a less destructive alternative to cigarettes, the American Lung Association stated that nicotine — a highly addictive chemical — is harmful in any form.
—
Rachel Raposas, People.com, 31 Jan. 2025
See all Example Sentences for nicotine ![](/dist-cross-dungarees/2025-02-13--18-07-00-xk8pp/images/svg/redesign/arrow-right-exemplar.svg)
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
Etymology
French, from New Latin nicotiana
First Known Use
1817, in the meaning defined above
Articles Related to nicotine
Dictionary Entries Near nicotine
Cite this Entry
“Nicotine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nicotine. Accessed 16 Feb. 2025.
Kids Definition
nicotine
noun
nic·o·tine
ˈnik-ə-ˌtēn
: a poisonous substance found in tobacco and used as an insecticide
Medical Definition
nicotine
noun
nic·o·tine
ˈnik-ə-ˌtēn
More from Merriam-Webster on nicotine
Nglish: Translation of nicotine for Spanish Speakers
Britannica English: Translation of nicotine for Arabic Speakers
Britannica.com: Encyclopedia article about nicotine
Love words? Need even more definitions?
Merriam-Webster unabridged
Share