Share this entry
urea Syllabification: u·re·a
Pronunciation: /yo͝oˈrēə/

Definition of urea in English:


A colorless crystalline compound that 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

Achaea, aliyah, Almería, Apia, Bahía, Caesarea, Cassiopeia, Chaldea, Cytherea, Euboea, foreseer, freer, galleria, gynaecea, Iphigenia, Kampuchea, kea, keyer, Latakia, Leah, Lucia, Nicaea, Nicosia, onomatopoeia, Oriya, osteria, Pangaea, Pantelleria, pharmacopoeia, pizzeria, ria, rupiah, sangría, seer, sharia, Shia, skier, spiraea (US spirea), Tanzania, taqueria, Tarpeia, Thea, trachea, trattoria
Definition of urea in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources