n. [ Aurum + chloride. ] (Chem.) The trichloride of gold combination with the chloride of another metal, forming a double chloride; -- called also chloraurate. [ 1913 Webster ]

n. [ G. auerochs, OHG. ūrohso; ūr (cf. AS. ūr) + ohso ox, G. ochs. Cf. Owre, Ox. ] (Zool.) The European bison (Bison bonasus, or Bison Europæus), once widely distributed, but now nearly extinct, except where protected in the Lithuanian forests, and perhaps in the Caucasus. It is distinct from the Urus of Cæsar, with which it has often been confused. [ 1913 Webster ]

n. (Physiol. Chem.) A salt of taurocholic acid; as, sodium taurocholate, which occurs in human bile. [ 1913 Webster ]

a. [ Taurine + cholic. ] (Physiol. Chem.) Pertaining to, or designating, a conjugate acid (called taurocholic acid) composed of taurine and cholic acid, present abundantly in human bile and in that of carnivora. It is exceedingly deliquescent, and hence appears generally as a thick, gummy mass, easily soluble in water and alcohol. It has a bitter taste. [ 1913 Webster ]