D defs.my
Entry 1 sense Webster, 1913

Metantimonic

· Met·an·ti·mon·ic · IPA
01 a. Pertaining to, or designating, an acid (formerly called antimonic acid) analogous to metaphosphoric acid, and obtained as a white amorphous…
  1. 1.
    Pertaining to, or designating, an acid (formerly called antimonic acid) analogous to metaphosphoric acid, and obtained as a white amorphous insoluble substance, (HSbO3).(Chem.) Also: antimonic acid