Definitions for gadoliniumˌgæd lˈɪn i əm
Random House Webster's College Dictionary
gad•o•lin•i•umˌgæd lˈɪn i əm(n.)
a rare-earth metallic element.
Ref: Symbol: Gd 2
Origin of gadolinium:
1885–90; see gadolinite , -ium2
gadolinium, Gd, atomic number 64(noun)
a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group
a metallic chemical element (symbol Gd) with an atomic number of 64.
Origin: Named after Finnish chemist Johan Gadolin.
a supposed rare metallic element, with a characteristic spectrum, found associated with yttrium and other rare metals. Its individuality and properties have not yet been determined
U.S. National Library of Medicine
Gadolinium. An element of the rare earth family of metals. It has the atomic symbol Gd, atomic number 64, and atomic weight 157.25. Its oxide is used in the control rods of some nuclear reactors.