ANTIMONIOUS

antimonic, antimonious

(adjective) relating to or derived from antimony; “antimonious oxide”

Source: WordNet® 3.1

Etymology

Adjective

antimonious (not comparable)

Of or containing antimony.

(inorganic chemistry) Containing trivalent antimony.

Source: Wiktionary

An`ti*mo"ni*ous, a. (Chem.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition