Sulph`ar*se"ni*ous (?), a. (Chem.) Of, pertaining to, or designating, a hypothetical sulphacid (called also thioarsenious acid) analogous to arsenious acid, and known only in its salts.

Sulph`ar*se"ni*ous (?), a. (Chem.) Of, pertaining to, or designating, a hypothetical sulphacid (called also thioarsenious acid) analogous to arsenious acid, and known only in its salts.