noun
a radioactive transuranic element which has been synthesized
• Syn: ↑rutherfordium, ↑Rf, ↑unnilquadium, ↑element 104, ↑atomic number 104
• Hypernyms: ↑chemical element, ↑element
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Symbol, Chem., Physics. unnilquadium.
Useful english dictionary. 2012.