[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
nicotinism noun nicotinize verb
(also nicotinise)
语源
early 19th cent.: from French, from nicotiana + -ine