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    fluorine

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    fluorine

    Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++flu·o·rine /ˈflʊəriːn $ ˈflʊr-/ noun [uncountable]  HCCa chemical substance that is usually in the form of a poisonous pale yellow gas. It is a chemical element: symbol F 氟〔一种化学元素，符号为Ｆ〕
    Examples from the Corpus
    fluorine• Like the rate of decrease in nitrogen, the rates of increase in fluorine and uranium depend strongly on local factors.• Thus, the content of fluorine and uranium in buried bone gradually increases, and can be measured in the laboratory.• Yet another uses fluorine as the reactant.    Origin fluorine (1800-1900) Modern Latin fluor; → FLUORESCENT
    flu·o·rine nounChineseSyllable
    in substance chemical that Corpus is a usually


    fluorine
    flu‧o‧rine /ˈflʊəriːn $ ˈflʊr-/ noun [uncountable]
     Date: 1800-1900
     Language: Modern Latin
     Origin: fluor; ⇨ fluorescent
    a chemical substance that is usually in the form of a poisonous pale yellow gas. It is a chemical element: symbol F


    fluor·ineBrE /ˈflɔːriːn/ 🔊NAmE /ˈflɔːriːn/ 🔊BrE also /ˈflʊəriːn/ 🔊NAmE also /ˈflʊriːn/ 🔊 noun [uncountable] (symbol F) a chemical element. Fluorine is a poisonous pale yellow gas and is very reactive. 氟