a. Chem. [f. STANN-UM + -OUS.] Of a compound: Containing tin as a bivalent element. Cf. STANNIC a.

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

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1868.  Fownes’ Chem. (ed. 10), 445. The dichloride, or Stannous chloride, Sn Cl2.

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1868.  Stannous compound: see STANNOSO-.

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