Webster’s Revised Unabridged Dictionary · 1913
Urrhodin
Ur·rho′din (ŭr·rō′dĭn), n. [1st uro- + Gr. ῥόδον a rose.] (Physiol. Chem.) Indigo red, a product of the decomposition, or oxidation, of indican. It is sometimes found in the sediment of pathological urines. It is soluble in ether or alcohol, giving the solution a beautiful red color. Also called indigrubin.