Found 2 items, similar to Gadolinium.
English → English (WordNet) Definition: gadolinium gadolinium n : a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group [syn: Gd, atomic number 64 ]
English → English (gcide) Definition: Gadolinium Gadolinium \Gad`o*lin"i*um\, n. [NL. See Gadolinite.] (Chem.) A rare earth metallic element of the Lanthanide series, with a characteristic spectrum, found associated with yttrium and other rare earth elements. Symbol, Gd; it has an atomic number of 64, an atomic weight of 157.25 (C=12.011), and a valence of +3. [1913 Webster +PJC]