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What is the meaning of URR. Phrases containing URR
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Acronyms & AI meanings
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n.
Same as Urrhodin.
n.
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.
n.
An indigo-forming substance, found in urine, and other animal fluids, and convertible into red and blue indigo (urrhodin and uroglaucin). Chemically, it is indoxyl sulphate of potash, C8H6NSO4K, and is derived from the indol formed in the alimentary canal. Called also uroxanthin.
n.
A sort of blue or black clay lying near a vein of coal.
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