Atomic_number_68WordNet Explorer
Explore synonyms, antonyms, hypernyms, hyponyms, and semantic relationships for “atomic_number_68” powered by Princeton WordNet.
noun
a trivalent metallic element of the rare earth group; occurs with yttrium
noun
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
noun
a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium
noun
a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals