D defs.my
Entry 1 sense Webster, 1913

Antimonious

· An·ti·mo·ni·ous · IPA
01 a. Pertaining to, or derived from, antimony; -- said of those compounds of antimony in which this element has an equivalence next lower than t…
  1. 1.
    Pertaining to, or derived from, antimony; -- said of those compounds of antimony in which this element has an equivalence next lower than the highest; as, antimonious acid.(Chem.)