nicotine
(noun) an alkaloid poison that occurs in tobacco; used in medicine and as an insecticide
Source: WordNet® 3.1
nicotine (uncountable)
(organic compound) An alkaloid (C10H14N2), commonly occurring in the tobacco plant. In small doses it is a habit-forming stimulant; in larger doses it is toxic and is often used in insecticides.
(figuratively) tobacco, cigarettes
• cotinine
Source: Wiktionary
Nic"o*tine ( or ), n. Etym: [F. nicotine. See Nicotian.] (Chem.)
Definition: An alkaloid which is the active principle of tobacco. It is a colorless, transparent, oily liquid, having an acrid odor, and an acrid burning taste. It is intensely poisonous. Ure.
Source: Webster’s Unabridged Dictionary 1913 Edition
26 November 2024
(noun) (music) playing in a different key from the key intended; moving the pitch of a piece of music upwards or downwards
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