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stannic

stannic, a. Chem.
  (ˈstænɪk)
  [f. stann-um + -ic.]
  Of a compound: Containing tin as a quadrivalent element. Cf. stannous.

1790 Kerr tr. Lavoisier's Elem. Chem. xvii. 166 Stannic [acid]. 1849 D. Campbell Inorg. Chem. 240 Binoxide of tin..is known, also, as the stannic oxide, and generally as the peroxide. 1868 [see stanno-]. 1868 [see stannoso-]. 1873 Watts Fownes' Chem. (ed. 11) 593 Stannic Ethide..is produced by the action of zinc ethide on stannic chloride.

Oxford English Dictionary

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