Definition of renal adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈriːnl//
; NAmE NAmE//ˈriːnl//
[usually before noun](medical)
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relating to or involving the kidneys renal failure Word Origin mid 17th cent.: from French rénal, from late Latin renalis, from Latin renes ‘kidneys’.
See the Oxford Advanced American Dictionary entry: renal