| 单词 | nicotine |
| 释义 | Word Frequency nicotine(ˈnɪkəˌtiːn) noun a colourless oily acrid toxic liquid that turns yellowish-brown in air and light: the principal alkaloid in tobacco, used as an agricultural insecticide. Formula: C10H14N2 Derived forms nicotined (ˈnicoˌtined) adjective nicotinic (ˌnɪkəˈtɪnɪk) adjective Word origin C19: from French, from New Latin herba nicotiana Nicot's plant, named after J. Nicot (1530–1600), French diplomat who introduced tobacco into France |
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