[di.ag.nose] vb -nosed ; -nos.ing [back-formation fr. diagnosis] vt (ca. 1859) 1 a: to recognize (as a disease) by signs and symptoms b: to diagnose a disease or condition in "diagnosed the patient"
2: to analyze the cause or nature of "~ the problem" ~ vi: to make a diagnosis -- di.ag.nos.able or di.ag.nose.able adj