Definition of tobacco in English:


Line breaks: to|bacco
Pronunciation: /təˈbakəʊ

noun (plural tobaccos)

1 [mass noun] A preparation of the nicotine-rich leaves of an American plant, which are cured by a process of drying and fermentation for smoking or chewing.
More example sentences
  • This can happen due to variety of reasons, the commonest being smoking or chewing tobacco.
  • The socioeconomic differences are more marked for smoking than for chewing tobacco.
  • One of the major problems with smoking and chewing tobacco has to do with the chemical nicotine.
2 (also tobacco plant) The plant of the nightshade family which yields tobacco, native to tropical America. It is widely cultivated in warm regions, especially in the US and China.
  • Nicotiana tabacum, family Solanaceae
More example sentences
  • The integral mana of the tobacco plant has been abused as have the Native Americans from whom the plant was taken.
  • Both tobacco, as a model plant species, and alfalfa have been transformed with the assembled constructs.
  • While the tobacco plant is indigenous to North America, it is now commercially cultivated and naturalized in most sub tropical countries.
2.1An ornamental plant related to tobacco. See nicotiana.
More example sentences
  • Night-flying moths are especially keen on ornamental tobacco plants.


mid 16th century: from Spanish tabaco; said to be from a Carib word denoting a tobacco pipe or from a Taino word for a primitive cigar, but perhaps from Arabic.

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