nicotine
/ˈnɪkətiːn/
Proposed by a contributor, not yet supported by evidence.
Sense 1
Meaning · English
An alkaloid (C₁₀H₁₄N₂), commonly occurring in the tobacco plant.
Noun
Examples
She is addicted to nicotine.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
Tobacco or cigarettes.
Noun
Examples
He's got nicotine stains on his fingers.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “nicotine” mean?
An alkaloid (C₁₀H₁₄N₂), commonly occurring in the tobacco plant.
Is “nicotine” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.