D defs.my
Entry 1 sense Webster, 1913

Sulpharsenic

· Sulph·ar·sen·ic · IPA
01 a. Of, pertaining to, or designating, a hypothetical sulphacid (called also thioarsenic acid) analogous to arsenic acid, and known only in its…
  1. 1.
    Of, pertaining to, or designating, a hypothetical sulphacid (called also thioarsenic acid) analogous to arsenic acid, and known only in its salts.(Chem.)