diagnosis

1. (medicine, countable, uncountable) The process of, or an instance of, identification of the nature and cause of a medical condition or illness.Examples: "Diagnosis is a challenging art informed by wide-ranging science."; "He was given the wrong treatment due to an erroneous diagnosis."; "Her diagnoses include type 2 diabetes mellitus, primary hypertension, diabetic retinopathy, and generalized anxiety disorder."countableuncountable

2. (taxonomy) A written description of a species or other taxon serving to distinguish that species from all others; especially a description written and published in Latin.Examples: "The repeated exposure, over decades, to most taxa here treated has resulted in repeated modifications of both diagnoses and discussions, as initial ideas of the various taxa underwent—often repeated—conceptual modification."countableuncountable