Definition of nicotine in English:

nicotine

noun ˈnɪkətiːnˈnɪkəˌtin

mass noun

A toxic colourless or yellowish oily liquid which 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.
An alkaloid; chemical formula: C₁₀H₁₄N₂
Example sentencesExamples
- When you stop smoking, the withdrawal from nicotine can be as difficult as withdrawing from heroin or cocaine.
- Despite the risks, marijuana was nowhere near as addictive as nicotine, he said.
- Even in adolescence, many smokers are addicted to nicotine and would like to stop smoking.
- At the end of the day, tar is far more dangerous than cannabis and nicotine is far more addictive than cannabis.
- My experience with many smokers has led me to believe that nicotine is not the evil thing it is made out to be.
- Heavy doses of sugar and caffeine can hook you just as easily as nicotine or crack cocaine.
- Tar and nicotine travels over the placenta and in large amounts will kill the fetus.
- I understand these results are based on the amount of nicotine found in the bloodstream.
- 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.
- Non-smokers who are exposed to smoke absorb nicotine and other compounds just as smokers do.
- That the chemical nicotine is why people smoke has been known for more than 60 years.
- I have every sympathy for those smokers who continue to be addicted to nicotine.
- Many of them do themselves further harm by smoking, because nicotine suppresses appetite.
- 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.
- It blocks the effects of nicotine but does not precipitate withdrawal symptoms.
- He took out a cigarette and lighted it, taking his time to draw in the smoke and nicotine.
- These laws offer a promising framework for the regulation of nicotine, including tobacco products.
- While a person is smoking, nicotine reaches the brain faster than drugs that enter the body directly through the veins.
- The nicotine in tobacco smoke causes both physical and psychological dependence.

Origin

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

Definition of nicotine in US English:

nicotine

nounˈnikəˌtēnˈnɪkəˌtin

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
Example sentencesExamples
- Even in adolescence, many smokers are addicted to nicotine and would like to stop smoking.
- While a person is smoking, nicotine reaches the brain faster than drugs that enter the body directly through the veins.
- These patches contain nicotine and cost roughly the same as cigarettes do.
- Tar and nicotine travels over the placenta and in large amounts will kill the fetus.
- Many of them do themselves further harm by smoking, because nicotine suppresses appetite.
- When you stop smoking, the withdrawal from nicotine can be as difficult as withdrawing from heroin or cocaine.
- Despite the risks, marijuana was nowhere near as addictive as nicotine, he said.
- He took out a cigarette and lighted it, taking his time to draw in the smoke and nicotine.
- It blocks the effects of nicotine but does not precipitate withdrawal symptoms.
- At the end of the day, tar is far more dangerous than cannabis and nicotine is far more addictive than cannabis.
- Heavy doses of sugar and caffeine can hook you just as easily as nicotine or crack cocaine.
- Caffeine, for example, is a powerful stimulant, while the nicotine in cigarettes is a sedative.
- I have every sympathy for those smokers who continue to be addicted to nicotine.
- 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.
- I understand these results are based on the amount of nicotine found in the bloodstream.
- That the chemical nicotine is why people smoke has been known for more than 60 years.
- These laws offer a promising framework for the regulation of nicotine, including tobacco products.
- Non-smokers who are exposed to smoke absorb nicotine and other compounds just as smokers do.
- The nicotine in tobacco smoke causes both physical and psychological dependence.
- My experience with many smokers has led me to believe that nicotine is not the evil thing it is made out to be.

Origin

Early 19th century: from French, from nicotiana + -ine.

单词	nicotine
释义	Definition of nicotine in English: nicotine noun ˈnɪkətiːnˈnɪkəˌtin mass noun A toxic colourless or yellowish oily liquid which 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. An alkaloid; chemical formula: C₁₀H₁₄N₂ Example sentencesExamples When you stop smoking, the withdrawal from nicotine can be as difficult as withdrawing from heroin or cocaine. Despite the risks, marijuana was nowhere near as addictive as nicotine, he said. Even in adolescence, many smokers are addicted to nicotine and would like to stop smoking. At the end of the day, tar is far more dangerous than cannabis and nicotine is far more addictive than cannabis. My experience with many smokers has led me to believe that nicotine is not the evil thing it is made out to be. Heavy doses of sugar and caffeine can hook you just as easily as nicotine or crack cocaine. Tar and nicotine travels over the placenta and in large amounts will kill the fetus. I understand these results are based on the amount of nicotine found in the bloodstream. 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. Non-smokers who are exposed to smoke absorb nicotine and other compounds just as smokers do. That the chemical nicotine is why people smoke has been known for more than 60 years. I have every sympathy for those smokers who continue to be addicted to nicotine. Many of them do themselves further harm by smoking, because nicotine suppresses appetite. 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. It blocks the effects of nicotine but does not precipitate withdrawal symptoms. He took out a cigarette and lighted it, taking his time to draw in the smoke and nicotine. These laws offer a promising framework for the regulation of nicotine, including tobacco products. While a person is smoking, nicotine reaches the brain faster than drugs that enter the body directly through the veins. The nicotine in tobacco smoke causes both physical and psychological dependence. Origin Early 19th century: from French, from nicotiana + -ine⁴. Definition of nicotine in US English: nicotine nounˈnikəˌtēnˈnɪkəˌtin 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 Example sentencesExamples Even in adolescence, many smokers are addicted to nicotine and would like to stop smoking. While a person is smoking, nicotine reaches the brain faster than drugs that enter the body directly through the veins. These patches contain nicotine and cost roughly the same as cigarettes do. Tar and nicotine travels over the placenta and in large amounts will kill the fetus. Many of them do themselves further harm by smoking, because nicotine suppresses appetite. When you stop smoking, the withdrawal from nicotine can be as difficult as withdrawing from heroin or cocaine. Despite the risks, marijuana was nowhere near as addictive as nicotine, he said. He took out a cigarette and lighted it, taking his time to draw in the smoke and nicotine. It blocks the effects of nicotine but does not precipitate withdrawal symptoms. At the end of the day, tar is far more dangerous than cannabis and nicotine is far more addictive than cannabis. Heavy doses of sugar and caffeine can hook you just as easily as nicotine or crack cocaine. Caffeine, for example, is a powerful stimulant, while the nicotine in cigarettes is a sedative. I have every sympathy for those smokers who continue to be addicted to nicotine. 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. I understand these results are based on the amount of nicotine found in the bloodstream. That the chemical nicotine is why people smoke has been known for more than 60 years. These laws offer a promising framework for the regulation of nicotine, including tobacco products. Non-smokers who are exposed to smoke absorb nicotine and other compounds just as smokers do. The nicotine in tobacco smoke causes both physical and psychological dependence. My experience with many smokers has led me to believe that nicotine is not the evil thing it is made out to be. Origin Early 19th century: from French, from nicotiana + -ine.
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