definition of diagnose
us â /ËdÉÉªÂ·ÉªÉ¡ËnoÊÂ·sÉªs/ plural diagnoses /ËdÉÉªÂ·ÉªÉ¡ËnoÊËsiz/. âº the making of a judgment about the exact character of a disease or other problem, esp. after an examination, or such a judgment: [ U ] Respiratory therapy involves the diagnosis and treatment of breathing disorders.