Category:Arsenious

Ar*se"ni*ous, a. Etym: [Cf. F. arsénieux.]

1. Pertaining to, consisting of, or containing, arsenic; as, arsenious powder or glass.

2. (Chem.)

Defn: Pertaining to, or derived from, arsenic, when having an equivalence next lower than the highest; as, arsenious acid.