stannoso-

from The Collaborative International Dictionary of English v.0.48
Stannoso- \Stan*no"so-\ (st[a^]n*n[=o]"s[-o]-), a. (Chem.)
   A combining form (also used adjectively) denoting relation to
   stannous compounds, or connection with stannous compounds.
   [1913 Webster]
    

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