Gadolinium
Pronunciation : Gad`o*lin"i*um
Part of Speech : n.
Etymology : [NL. See Gadolinite.] (Chem.)
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913