Artificial intelligent assistant

ytterite

ytterite Min.
  (ˈɪtəraɪt)
  [f. Ytter(by (see ytterbite) + -ite1.]
  A synonym of gadolinite.

1849 Watts tr. Gmelin's Handbk. Chem. III. 409 Silicate of Yttria.—Gadolinite, or Ytterite.

Oxford English Dictionary

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