cotinine

noun

co·tin·ine | \ ˈkō-tə-ˌnēn

, -ˌnīn

Definition of cotinine

: an alkaloid C₁₀H₁₂N₂O that is the principal metabolite of nicotine

Recent Examples on the Web

Young people's blood was tested for levels of serum cotinine, a metabolite of nicotine; 0.05 to 10 nanograms per milliliter identified exposure to secondhand smoke. — Allen Kim, CNN, "Over a third of American kids who don't smoke are exposed to it anyways, study finds. Most are below the poverty line.," 15 Aug. 2019 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

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More Definitions for cotinine

cotinine

noun

co·tin·ine | \ ˈkōt-ᵊn-ˌēn

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