| 单词 | nicotines |
| 释义 | nicotine /nikˈə-tēn/nounA poisonous narcotic alkaloid of the pyrimidine series (C10H14N2) obtained from tobacco leaves ORIGIN: Jean Nicot de Villemain (1530–1600), French ambassador to Portugal who sent powdered tobacco back to Catherine de Medici nicotinamide /-tinˈ/ noun A member of the vitamin B complex, deficiency of which can lead to the development of the disease pellagra nicˈotined adjective nicotinic /-tinˈik/ adjective nicˈotinism noun A morbid state induced by excessive use of tobacco nicotinamide adenine dinucleotide see NAD nicotine patch noun A patch impregnated with nicotine and put on the skin to allow gradual absorption into the bloodstream nicotine replacement therapy noun A treatment to help people stop smoking, in which small quantities of nicotine are administered by patches, chewing gum, etc, until the craving for cigarettes is cured nicotinic acid noun Niacin, a white crystalline substance, a member of the vitamin B complex, deficiency of which is connected with the development of the disease pellagra |
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