Also -urine, -ourine. [f. CYAN- 1 + URINE.] A blue deposit sometimes found pathologically in urine.

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1845.  G. E. Day, trans. Simon’s Anim. Chem., I. 45.

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1858.  Thudichum, The Urine, 4. The blue colour may be due to cyanurine (uroglaucine).

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