D defs.my
Entry 1 sense Webster, 1913

Stibonium

· Sti·bo·ni·um · IPA
01 n. The hypothetical radical SbH4, analogous to ammonium; -- called also antimonium.
  1. 1.
    The hypothetical radical SbH4, analogous to ammonium; -- called also antimonium.(Chem.) Also: antimonium