Sulphantimonious :: Sulphantimonic (a.) Of, pertaining to, or designating, a hypothetical sulphacid of antimony (called also thioantimonic acid) analogous to sulpharsenic acid..
Sulphantimonite :: Sulphantimonious (a.) Of, pertaining to, or designating, a hypothetical sulphacid of antimony (called also thioantimonious acid) analogous to sulpharsenious acid..