nicotine
nicotine
[ˈnɪkətiːn]
noun
noun
nicotinize
verb
[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
尼古丁，烟碱 - An alkaloid; chem. formula: C10H14N2
一种生物碱，化学分子式：C10H14N2
noun
nicotinize
verb
- (also nicotinise)
- early 19th cent.: from French, from nicotiana + -ine
热门查询
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考试词汇表
