diagnosis

noun

1. (countable, uncountable)The process of, or an instance of, identification of the nature and cause of a medical condition or illness.

   “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.”

   “In an era when political leaders promise deliverance from decline through America’s purported preeminence in scientific research, the news that science is in deep trouble in the United States has been as unwelcome as a diagnosis of leukemia following the loss of health insurance.”

   “In 1995, 2% of schizophrenia diagnoses in the country were associated with cannabis use disorder. In 2000, it increased to around 4%. Since 2010, that figure increased to 8%, the study found.”

2. (countable, uncountable)The process of, or an instance of, identification of the nature and cause of something (of any nature).

   “Diagnosis is part of being an automotive mechanic.”

   “Her diagnosis of the current economic situation is that central banks are overcorrecting.”

   “The quick eye for effects, the clear diagnosis of men's minds, and the love of epigram.”

   “My diagnosis of his character proved correct.”

3. (countable, uncountable)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.

   “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.”

verb

1. (nonstandard, proscribed, rare)Synonym of diagnose.

   “Experienced mechanics can diagnosis the condition of machinery just by listening.”