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

There were broad reductions in alcohol, cannabis, cocaine, nicotine and opioid use. — Jesse M. Pines, Forbes.com, 10 Aug. 2026

Jackler says he's seen many patients with complications from nicotine use. — Joseph Kim, NPR, 5 Aug. 2026

Marketing nicotine pouch flavors like Rich Berry, Cappuccino, Citrus and Cinnamon raises particular concerns for health advocates because of their potential appeal to kids. — Callie Teitelbaum, CBS News, 5 Aug. 2026

Meanwhile, 18-to-25-year-olds saw declines in the use of nicotine products, tobacco, cigarette, alcohol and binge drinking in the past month as well as the use of illicit drugs and prescription stimulants or opioids within the past year. — Mary Kekatos, ABC News, 1 Aug. 2026

Word History

Etymology

French, from New Latin nicotiana

First Known Use

1817, in the meaning defined above

Rhymes for nicotine

• acridine
• acrolein
• adenine
• alkylene
• aniline
• anthracene
• aquiline
• asphaltene
• atlantean
• atrazine
• butadiene
• butylene

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 

: 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.