Gadolinia
Pronunciation : Gad`o*lin"i*a
Part of Speech : n.
Etymology : [NL. See Gadolinite.] (Chem.)
Definition : Defn: A rare earth, regarded by some as an oxide of the supposed element gadolinium, by others as only a mixture of the oxides of yttrium, erbium, ytterbium, etc.
Source : Webster's Unabridged Dictionary, 1913