sulphostannic

from The Collaborative International Dictionary of English v.0.48
Sulphostannic \Sul`pho*stan"nic\, a. (Chem.)
   Of, pertaining to, or designating, a sulphacid of tin (more
   exactly called metasulphostannic acid), which is obtained as
   a dark brown amorphous substance, H?SnS?, forming a
   well-known series of salts.
   [1913 Webster]
    

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