Share this entry

Share this page

nicotine

Syllabification: nic·o·tine
Pronunciation: /ˈnikəˌtēn
 
/

Definition of nicotine in English:

noun

A toxic colorless or yellowish oily liquid that is the chief active constituent of tobacco. It acts as a stimulant in small doses, but in larger amounts blocks the action of autonomic nerve and skeletal muscle cells. Nicotine is also used in insecticides.
Example sentences
  • The nicotine in tobacco smoke causes both physical and psychological dependence.
  • These laws offer a promising framework for the regulation of nicotine, including tobacco products.
  • I understand these results are based on the amount of nicotine found in the bloodstream.

Origin

early 19th century: from French, from nicotiana + -ine4.

Words that rhyme with nicotine

brigantineAugustine

Definition of nicotine in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day terpsichorean
Pronunciation: ˌtərpsikəˈrēən
adjective
of or relating to dancing