Urea /(?)/

U·re·a

Urea

a.
  1. A very soluble crystalline body which is the chief constituent of the urine in mammals and some other animals. It is also present in small quantity in blood, serous fluids, lymph, the liver, etc. (Physiol. Chem.)

Phrases & Compounds
Urea ferment
a soluble ferment formed by certain bacteria, which, however, yield the ferment from the body of their cells only after they have been killed by alcohol. It causes urea to take up water and decompose into carbonic acid and ammonia. Many different bacteria possess this property, especially Bacterium ureae and Micrococcus ureae, which are found abundantly in urines undergoing alkaline fermentation.