stannicadj.
/ˈstanɪk/, U.S. /ˈstænɪk/ Chemistry.
Of a compound: Containing tin as a quadrivalent element. Cf. stannous adj.
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stannic1789
stannous1849
1789 R. Kerr tr. A. Lavoisier Elements Chem. xvii. 166 Stannic [acid].
1849 D. Campbell Pract. Text-bk. Inorg. Chem. 240 Binoxide of tin..is known, also, as the stannic oxide, and generally as the peroxide.
1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 916 Stannic ethide..is produced by the action of zinc ethide on stannic chloride.
1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 446 Stannic flouride, Sn F4..unites with other metallic flourides, forming crystalline compounds called stannofluorides or fluostannates.
1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 445 Tin..forms two well-defined classes of compounds, namely, the stannous compounds, in which it is bivalent..and the stannic compounds, in which it is quadrivalent..also a few compounds called stannoso-stannic compounds, of intermediate composition.
This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).
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adj.1789