Rutherfordium meaning

rŭth'ər-fôr'dē-əm
An artificially produced radioactive element with atomic number 104 that has only been produced in trace amounts. The isotope with mass number 261 has the longest confirmed half-life (65 seconds), although isotopes with longer half-lives have been reported.
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A radioactive chemical element with a very short half-life: a transactinide produced by bombarding californium or plutonium with high-energy nuclear particles: symbol, Rf; at. no. 104
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A synthetic, radioactive element that is produced by bombarding plutonium with carbon or neon ions. Its most stable isotope is Rf 261 with a half-life of 62 seconds. Atomic number 104.
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A transuranic chemical element (symbol Rf) with an atomic number of 104
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Origin of rutherfordium

After Ernest Rutherford