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u·ric ac·id(yūr'ik as'id),
2,6,8-Trioxypurine; white crystals, poorly soluble, contained in solution in the urine of mammals and in solid form in the urine of birds and reptiles; sometimes solidified in small masses as stones or crystals or in larger concretions as calculi; with sodium and other bases it forms urates; elevated levels associated with gout.
An obsolete term for uric acid.
See also: acid