| NOUN | substance | atomic number 104, rutherfordium, Rf, unnilquadium, Unq, element 104 | a radioactive transuranic element which has been synthesized |
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| Meaning | A radioactive transuranic element which has been synthesized. | |
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| Synonyms | rutherfordium, Rf, unnilquadium, Unq, element 104 | |
| Broader | chemical element, element | Any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
| Spanish | número atómico 104, Rf, rutherfordio | |
| Catalan | element 104, Rf, rutherfordi, rutherfordio, unnilquadi, Unq | |
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