Rf, n.
a radioactive transuranic element which has been synthesized
<noun.substance>
Rf Unq atomic number 104 element 104 rutherfordium unnilquadium
semantic pointers
hypernym
Word
a radioactive transuranic element which has been synthesized
<noun.substance>
Rf Unq atomic number 104 element 104 rutherfordium unnilquadium