noun. ['ˌdaɪəgˈnoʊsɪŋ'] identifying the nature or cause of some phenomenon.
1. Verb, gerund or present participle Sometimes they may get a difficult-to-solve case and spend considerable time diagnosing a patient.
1. Politics is the art of looking for trouble, finding it everywhere, diagnosing it incorrectly and applying the wrong remedies. - Groucho Marx