Chem. Also -ine. [a. G. uroglaucin: see URO-1 and -IN1, and cf. GLAUCOUS a.] A blue pigment found in the human urine during certain diseases, as scarlet fever.
1846. G. E. Day, trans. Simon’s Anim. Chem., II. 523. The existence of a large quantity of uroxanthin in urine is indicated … by the presence of the products of its oxidation, uroglaucin and urrhodin.
1863. W. O. Markham, trans. Anal. Urine, etc., 45. Uroglaucine presents itself in the form of a blue powder.
1889. Buck’s Handbk. Med. Sci., VII. 417/1. Uroglaucin (blue) and urrhodin (red) are closely related to indigo blue and indigo red.
