The Collaborative International Dictionary of English v.0.48:

Stibiated \Stib"i*a`ted\, a. [NL. stibiatus, from L. stibium
   antimony.] (Med. Chem.)
   Combined or impregnated with antimony (stibium).
   [1913 Webster]

   Stibiated tartar. See Tartar emetic, under Tartar.
      [1913 Webster]