cotinine

noun

co·tin·ine | \ˈkō-tə-ˌnēn,

\

Definition of cotinine

: an alkaloid C₁₀H₁₂N₂O that is the principal metabolite of nicotine

Examples of cotinine in a Sentence

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For verification, participants took a saliva test that detects cotinine, an indicator of nicotine exposure. — Catherine Ho, San Francisco Chronicle, "Can Facebook help you quit smoking? Study indicates yes," 24 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cotinine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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The first known use of cotinine was in 1893

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More Definitions for cotinine

cotinine

noun

co·tin·ine | \ˈkōt-ᵊn-ˌēn,

\

Medical Definition of cotinine

: an alkaloid C₁₀H₁₂N₂O that is the principal metabolite of nicotine and is widely used as an indicator of recent exposure to nicotine

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the figure or shape of a crescent moon

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