英语词汇“nicotine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

nicotine

/ˈnɪkətiːn

noun [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.

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.

单词	nicotine
释义	nicotine /ˈnɪkətiːn / noun [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. 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.
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