gadolinium

English Thesaurus

1. a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group (noun.substance)

hypernym	:	metal, metallic element,
definition	:	any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. (noun.substance)

substance meronym	:	gadolinite, ytterbite,
definition	:	a mineral that is a source of rare earths; consists of silicates of iron and beryllium and cerium and yttrium and erbium (noun.substance)

substance meronym	:	samarskite,
definition	:	a complex black mineral occurring in pegmatites (noun.substance)