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rutherfordium

noun
/ˌrʌðəˈfɔːdiəm/
/ˌrʌðərˈfɔːrdiəm/
[uncountable]
(symbol Rf)
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  1. a chemical element. Rutherfordium is radioactive and does not exist in nature but is produced artificially when atoms crash into each other.𬬻(放射性化学元素)
    Word Origin1960s: modern Latin, named after E. Rutherford (1871-1937), the New Zealand physicist.

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