• (a.) Pertaining to, or designating, a complex nitrogenous acid related to the ureids, and obtained from parabanic acid as a white silky crystalline substance.
Ox`a·lur'ic adjective [ Oxal yl + urea .] (Chemistry) Pertaining to, or designating, a complex nitrogenous acid related to the ureids, and obtained from parabanic acid as a white silky crystalline substance.