Antimonious

1. a. 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.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.