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Uroxanic
- Pertaining to, or designating, an acid, C5H8N4O6, which is obtained, as a white crystalline substance, by the slow oxidation of uric acid in alkaline solution.
Urrhodin
- 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.
Urry
- A sort of blue or black clay lying near a vein of coal.
Ursa
- Either one of the Bears. See the Phrases below.
Ursal
- The ursine seal. See the Note under 1st Seal.
Ursiform
- Having the shape of a bear.
Urson
- The Canada porcupine. See Porcupine.