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alkaloid

noun
/ˈælkəlɔɪd/
/ˈælkəlɔɪd/
(biology生物 or medical医学)
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  1. a poisonous substance found in some plants. There are many different alkaloids and some are used as the basis for drugs.生物碱
    Word Originearly 19th cent.: coined in German from alkali.

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