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Word: nicotine (lookup usage) (lookup stats)


Meaning:

Noun:

  • chemistry An alkaloid (C10H14N2), commonly occurring in the tobacco plant. In small doses it is a habit-forming stimulant, in larger doses it is toxic and is often used in insecticides. It is possibly a carcinogen, though this has not been evaluated and it has not been signed to an official carcinogen group.

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