urea

noun \yu̇-ˈrē-ə\

: a substance that contains nitrogen, is found in the urine of mammals and some fish, and is used in some kinds of fertilizer

Full Definition of UREA

: a soluble weakly basic nitrogenous compound CO(NH₂)₂ that is the chief solid component of mammalian urine and an end product of protein decomposition, is synthesized from carbon dioxide and ammonia, and is used especially in synthesis (as of resins and plastics) and in fertilizers and animal rations

See urea defined for English-language learners

See urea defined for kids

Origin of UREA

New Latin, from French urée, from urine

First Known Use: 1806

UREA Defined for Kids

urea

noun \yu̇-ˈrē-ə\

Definition of UREA for Kids

: a compound of nitrogen that is the chief solid substance dissolved in the urine of a mammal and is formed by the breaking down of protein

Medical Dictionary

urea

noun \yu̇-ˈrē-ə\

Medical Definition of UREA

: a soluble weakly basic nitrogenous compound CH₄N₂O that is the chief solid component of mammalian urine and an end product of protein decomposition and that is administered intravenously as a diuretic drug—called also carbamide