\jˈʊ͡əɹɪk ˈasɪd], \jˈʊəɹɪk ˈasɪd], \j_ˈʊə_ɹ_ɪ_k ˈa_s_ɪ_d]\
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Lithic acid, a crystalline acid, C5H4N4O3, contained in solution in the urine of mammals, but in solid form in that of birds and reptiles; when pure it occurs as white scaly crystals, but as obtained from the urine is reddish yellow in color. It is sometimes solidified in small masses as gravel or in larger concretions as calculi. With sodium and other bases it forms urates.
By Stedman, Thomas Lathrop
By William R. Warner
By Stormonth, James, Phelp, P. H.
By Willam Alexander Newman Dorland