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Any of numerous species of plants in the genus Nicotiana , or the cured leaves of several of the species, used after processing in various ways for smoking, snuffing, chewing, and extracting of nicotine .
Native to South America, Mexico, and the West Indies, common tobacco ( N. tabacum ) grows 4–6 ft (1–2 m) high and bears usually pink flowers and huge leaves, as long as 2–3 ft (0.6–1 m) and about half as wide. When
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[c mediumvioletred] (as used in expressions)
Alcohol Tobacco and Firearms Bureau of
Philip Morris tobacco companies
R.J. Reynolds Tobacco Holdings Inc.
British American Tobacco PLC
{{link=British American Tobacco Company Ltd. 1902%E2%80%9376">British American Tobacco Company Ltd. 1902–76