stannousadj.

Brit.

/ˈstanəs/, U.S.

/ˈstænəs/

Etymology: < stann- (in stannum n.) + -ous suffix.

Chemistry.

Of a compound: Containing tin as a bivalent element. Cf. stannic adj.

ΘΚΠ

the world > matter > chemistry > elements and compounds > metals > specific elements > tin > [adjective] > compounds

stannic1789

stannous1849

1849 D. Campbell Pract. Text-bk. Inorg. Chem. 239 This oxide [hydrated protoxide of tin] is in many works distinguished as the stannous oxide.

1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 445 The dichloride, or Stannous chloride, Sn Cl₂.

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).

单词	stannous
释义	stannousadj. Brit. /ˈstanəs/, U.S. /ˈstænəs/ Etymology: < stann- (in stannum n.) + -ous suffix. Chemistry. Of a compound: Containing tin as a bivalent element. Cf. stannic adj. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > tin > [adjective] > compounds stannic1789 stannous1849 1849 D. Campbell Pract. Text-bk. Inorg. Chem. 239 This oxide [hydrated protoxide of tin] is in many works distinguished as the stannous oxide. 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 445 The dichloride, or Stannous chloride, Sn Cl₂. 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). < adj.1849
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