'Uranyl' definitions:

Definition of 'uranyl'

(from WordNet)
noun
The bivalent radical UO2 which forms salts with acids [syn: uranyl, uranyl group, uranyl radical]

Definition of 'Uranyl'

From: GCIDE
  • Uranyl \U"ra*nyl\, n. [Uranium + -yl.] (Chem.) The radical UO2, conveniently regarded as a residue of many uranium compounds. [1913 Webster]