gadolinia


From The Collaborative International Dictionary of English v.0.48:

Gadolinia \Gad`o*lin"i*a\, n. [NL. See Gadolinite.] (Chem.)
   A rare earth associated with yttria and regarded as the oxide
   (Gd2O3) of a metallic element, gadolinium.
   [Webster 1913 Suppl.]
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