D defs.my
Entry 1 sense Webster, 1913

Sulphotungstic

· Sul·pho·tung·stic · IPA
01 a. Of, pertaining to, or designating, hypothetical sulphacid of tungsten (called also sulphowolframic acid), analogous to sulphuric acid, and …
  1. 1.
    Of, pertaining to, or designating, hypothetical sulphacid of tungsten (called also sulphowolframic acid), analogous to sulphuric acid, and known in its salts.(Chem.)