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urea Line breaks: urea
Pronunciation: /jʊˈriːə/

Definition of urea in English:


[mass noun] Biochemistry
A colourless crystalline compound which is the main nitrogenous breakdown product of protein metabolism in mammals and is excreted in urine.
  • Chemical formula: CO(NH2)2
Example sentences
  • The waste products of protein metabolism are urea and to a lesser extent uric acid and creatinine.
  • The chief constituent of the nitrogenous wastes in urine is urea, a product of protein decomposition.
  • This enzyme breaks down any urea in the stomach to ammonia and carbon dioxide


Early 19th century: modern Latin, from French urée, from Greek ouron 'urine'.

Words that rhyme with urea

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