Sulpharsenious
Pronunciation : Sulph`ar*se"ni*ous
Part of Speech : a.
Definition : Defn: Of, pertaining to, or designating, a hypothetical sulphacid (called also thioarsenious acid) analogous to arsenious acid, and known only in its salts.
(Chem.)
Source : Webster's Unabridged Dictionary, 1913