365bet中国官方网站

  • word of the day

    bismuth

    bismuth - 365bet中国官方网站 definition and meaning for word bismuth

    Definition
    (noun) a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals
    Synonyms : atomic number 83 , bi
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