urox

[AUROCHS.] ür-ox-ăn-Ic, adj. [Eng. ur ( ic ); ( all ) oxan, and suffix -ic.] Derived from or containing uric acid and alloxan. uroxanic-acid, s. Chem.: C . A dibasic acid obtained by boiling uric acid with strong potash lye, allowing the solution to remain in contact with the air for several months, and decomposing the resulting salt with hydrochloric or sulphuric acid. It crystallizes in colorle , transparent tetrahedrons, slightly soluble in cold water, insoluble in alcohol. On boiling with water it is decomposed, carbonic anhydride being given off. uroxanic-anhydride, s. Chem.: C5N4H8O5. Uroxil, Uroxyl. A yellowish hygroscopic substance obtained by heating uroxanic acid at 130°, till the weight of the residue becomes constant.