Noun

(uncountable) Any plant of the genus Nicotiana .

(uncountable) Leaves of Nicotiana tabacum and some other species cultivated and harvested to make cigarettes, cigars, snuff, for smoking in pipes or for chewing.

* {{quote-magazine, date=2013-09-07, volume=408, issue=8852, magazine=(The Economist)

, title= Unlucky strike , passage=Tobacco -settlement bonds are a tribute both to the inventiveness of bankers and the childlike impatience of politicians.}}

(countable) A variety of tobacco.

Noun

(organic chemistry, countable) Any of a class of organic compounds (such as ethanol) containing a hydroxyl functional group (-OH).

(uncountable) An intoxicating beverage made by the fermentation of sugar or sugar-containing material.

* {{quote-magazine, date=2013-06-22, volume=407, issue=8841, page=76, magazine=(The Economist)

, title= Snakes and ladders , passage=Risk is everywhere. From tabloid headlines insisting that coffee causes cancer (yesterday, of course, it cured it) to stern government warnings about alcohol and driving, the world is teeming with goblins.}}

(obsolete) Any very fine powder.