fluorine

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名詞

不可算名詞 可算名詞

(uncountable) The chemical element (symbol F) with an atomic number of 9. It is the lightest of the halogens, a pale yellow-green, highly reactive gas that attacks all metals.

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Because fluorine is so reactive, even trace amounts can corrode metals rapidly, so it must be handled with extreme caution in specialized equipment.

詳細

意味（1）

(uncountable) The chemical element (symbol F) with an atomic number of 9. It is the lightest of the halogens, a pale yellow-green, highly reactive gas that attacks all metals.

意味（2）

(chemistry, countable) A single atom of this element.

an octahedron of fluorines

詳細

fluorines （ plural ）