Uroerythrin
Pronunciation : U`ro*e*ryth"rin
Part of Speech : n.
Etymology : [See 1st Uro-, and Erythrin.] (Physiol. Chem.)
Definition : Defn: A reddish urinary pigment, considered as the substance which gives to the urine of rheumatism its characteristic color. It also causes the red color often seen in deposits of urates.
Source : Webster's Unabridged Dictionary, 1913