Urea

ū′rē-a, n. a readily soluble colourle crystalline compound formed in the ti ues during the disintegration of proteid material, and carried by the blood to the kidneys, which separate it and pa it off in the urine.— adj. U′rēal , pertaining to urea.— ns. Uream′eter , an instrument for measuring the amount of urea in in urine; Uream′etry . [Gr. our on , urine.]