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Definition of urea noun from the Oxford Advanced Learner's Dictionary

urea

noun
 
/jʊˈriːə/
 
/jʊˈriːə/
[uncountable] (specialist)
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  1. a clear substance containing nitrogen that is found especially in urine
    Word Originearly 19th cent.: modern Latin, from French urée, from Greek ouron ‘urine’.
See urea in the Oxford Advanced American DictionarySee urea in the Oxford Learner's Dictionary of Academic English
trait
noun
 
 
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