Tobacco Nicotine

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Tobacco Definition

–noun, plura 535 l -cos, -coes.
1. any of several plants belonging to the genus Nicotiana, of the nightshade family, esp. one of those species, as N. tabacum, whose leaves are prepared for smoking or chewing or as snuff.
2. the prepared leaves, as used in cigarettes, cigars, and pipes.
3. any product or products made from such leaves.
4. any of various similar plants of other genera.

From Dictionary

Nicotine Definition

–noun Chemistry.
a colorless, oily, water-soluble, highly toxic, liquid alkaloid, C1 0H1 4N2, found in tobacco and valued as an insecticide.

From Dictionary

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