'unnilquadium' definitions:

Definition of 'unnilquadium'

(from WordNet)
noun
A radioactive transuranic element which has been synthesized [syn: rutherfordium, Rf, unnilquadium, Unq, element 104, atomic number 104]

Definition of 'unnilquadium'

From: Elements
  • Symbol: Unq
  • Atomic number: 104
  • Atomic weight: (261)
  • Radioactive transactinide element. Expected to have similar chemical properties to those displayed by hafnium. Rf-260 was discovered by the Joint Nuclear Research Institute at Dubna (U.S.S.R.) in 1964. Researchers at Berkeley discovered Unq-257 and Unq-258 in 1964.