One of the mysteries of the English language finally explained.
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.
An alkaloid; chemical formula: C₁₀H₁₄N₂
- ‘Tar and nicotine travels over the placenta and in large amounts will kill the fetus.’
- ‘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.’
- ‘When you stop smoking, the withdrawal from nicotine can be as difficult as withdrawing from heroin or cocaine.’
- ‘It blocks the effects of nicotine but does not precipitate withdrawal symptoms.’
- ‘Non-smokers who are exposed to smoke absorb nicotine and other compounds just as smokers do.’
- ‘I understand these results are based on the amount of nicotine found in the bloodstream.’
- ‘While a person is smoking, nicotine reaches the brain faster than drugs that enter the body directly through the veins.’
- ‘He took out a cigarette and lighted it, taking his time to draw in the smoke and nicotine.’
- ‘At the end of the day, tar is far more dangerous than cannabis and nicotine is far more addictive than cannabis.’
- ‘Despite the risks, marijuana was nowhere near as addictive as nicotine, he said.’
- ‘Heavy doses of sugar and caffeine can hook you just as easily as nicotine or crack cocaine.’
- ‘Many of them do themselves further harm by smoking, because nicotine suppresses appetite.’
- ‘Even in adolescence, many smokers are addicted to nicotine and would like to stop smoking.’
- ‘Caffeine, for example, is a powerful stimulant, while the nicotine in cigarettes is a sedative.’
- ‘These patches contain nicotine and cost roughly the same as cigarettes do.’
- ‘My experience with many smokers has led me to believe that nicotine is not the evil thing it is made out to be.’
- ‘I have every sympathy for those smokers who continue to be addicted to nicotine.’
- ‘That the chemical nicotine is why people smoke has been known for more than 60 years.’
- ‘The experts at the service explain just how much nicotine is going into you, how much is in one cigarette and why we become addicted.’
Early 19th century: from French, from nicotiana + -ine.
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