a. Chem. [f. STANN-UM + -OUS.] Of a compound: Containing tin as a bivalent element. Cf. STANNIC a.
1849. D. Campbell, Inorg. Chem., 239. This oxide [hydrated protoxide of tin] is in many works distinguished as the stannous oxide.
1868. Fownes’ Chem. (ed. 10), 445. The dichloride, or Stannous chloride, Sn Cl2.
1868. Stannous compound: see STANNOSO-.
