1. urea - Noun
2. urea - Adjective
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.
Source: Webster's dictionaryThis led to the discovery that long chain fatty acids would remarkably stabilize serum albumin to heat denaturation, and would even reverse the denaturation by heat or concentrated urea solutions. Paul D. Boyer
After cooling, pure crystals of urea nitrate form. Source: Internet
An initial workup of a patient may include a complete blood count (CBC); serum electrolytes including sodium, potassium, chloride, bicarbonate, calcium, and phosphorus; blood urea, nitrogen and creatinine ; blood glucose and glycocylated hemoglobin. Source: Internet
Ammonia is smaller, more volatile and more mobile than urea. Source: Internet
Because the urea conversion is incomplete, the product must be separated from unchanged ammonium carbamate. Source: Internet
Analysis Urea is readily quantified by a number of different methods, such as the diacetyl monoxime colorimetric method, and the Berthelot reaction (after initial conversion of urea to ammonia via urease). Source: Internet