A toxic, colourless or yellowish, oily liquid alkaloid which is the chief active constituent of tobacco, acting as a stimulant in small doses…
| 单词 | θ216826 |
| 释义 | society > occupation and work > materials > derived or manufactured material > extracted or refined oil > [noun] > oil from tobacco > poisonous (4) nicotine1817 A toxic, colourless or yellowish, oily liquid alkaloid which is the chief active constituent of tobacco, acting as a stimulant in small doses… nicotina1838 Chemistry. = nicotine, n. Obsolete. nicotylia1862 = nicotine, n. nicotia1876 Chemistry. A substance present in extracts of tobacco, either nicotianin or (usually) nicotine. |
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