atomic number 64

Thesaurus

Noun

1.atomic number 64 - a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth groupgadolinium, Gdmetal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.gadolinite, ytterbite - a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbiumsamarskite - a complex black mineral occurring in pegmatites