uroxanic

from The Century Dictionary.

• Noting an acid, a colorless compound, C₅H₈O₆N₄, prepared by the prolonged action of potassium hydroxid and air, free from carbon dioxid, on uric acid. It crystallizes in short prisms or tetrahedra.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (Chem.) Pertaining to, or designating, an acid, C5H8N4O6, which is obtained, as a white crystalline substance, by the slow oxidation of uric acid in alkaline solution.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective chemistry Pertaining to, or designating, an acid, C5H8N4O6, which is obtained by the slow oxidation of uric acid in alkaline solution.