Nicotine



[nik-uh-teen, -tin, nik-uh-teen] /ˈnɪk əˌtin, -tɪn, ˌnɪk əˈtin/

noun, Chemistry.
1.
a colorless, oily, water-soluble, highly toxic, liquid alkaloid, C 1 0 H 1 4 N 2 , found in tobacco and valued as an insecticide.
/ˈnɪkəˌtiːn/
noun
1.
a colourless oily acrid toxic liquid that turns yellowish-brown in air and light: the principal alkaloid in tobacco, used as an agricultural insecticide. Formula: C10H14N2
n.

poisonous alkaloid found in tobacco leaves, 1819, from French nicotine, earlier nicotiane, from Modern Latin Nicotiana, formal botanical name for the tobacco plant, named for Jean Nicot (c.1530-1600), French ambassador to Portugal, who sent tobacco seeds and powdered leaves back to France 1561. His name is a diminutive of Nicolas.

nicotine nic·o·tine (nĭk’ə-tēn’)
n.
A colorless, poisonous alkaloid derived from the tobacco plant and used as an insecticide. It is the substance in tobacco to which smokers can become addicted.
nicotine
(nĭk’ə-tēn’)
A colorless, poisonous compound occurring naturally in the tobacco plant. It is used in medicine and as an insecticide, and it is the substance in tobacco products to which smokers can become addicted. Nicotine is an alkaloid. Chemical formula: C10H14N2.
nicotine [(nik-uh-teen)]

A poisonous chemical substance found in the tobacco plant.

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    noun an adhesive piece of material impregnanted with nicotine, worn on the skin as an aid to giving up smoking

  • Nicotinic

    [nik-uh-tin-ik, -tee-nik] /ˌnɪk əˈtɪn ɪk, -ˈti nɪk/ adjective 1. of, relating to, or containing . 2. related to or imitating the action of on neurons, especially in blocking the cholinergic receptors of the autonomic ganglia. adj. 1873, from nicotine + -ic. nicotinic nic·o·tin·ic (nĭk’ə-tĭn’ĭk, -tē’nĭk) adj.



  • Nicotinic-acid

    noun, Biochemistry. 1. a crystalline acid, C 6 H 5 NO 2 , that is a component of the vitamin-B complex, found in fresh meat, yeast, etc., produced by the oxidation of nicotine, and used in the prevention and treatment of pellagra. noun 1. a vitamin of the B complex that occurs in milk, liver, […]

  • Nicotinism

    [nik-uh-tee-niz-uh m, -ti-, nik-uh-tee-niz-] /ˈnɪk ə tiˌnɪz əm, -tɪ-, ˌnɪk əˈti nɪz-/ noun 1. a pathological condition caused by excessive use of tobacco, and characterized by depression of the central and autonomic nervous systems; poisoning. /ˈnɪkətiːˌnɪzəm/ noun 1. (pathol) a toxic condition of the body or a bodily organ or part caused by nicotine nicotinism […]



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