# diagnosis

Pronunciation: say "dy-uhg-NOH-sis" US /daɪəɡˈnoʊsɪs/, UK /daɪəɡˈnəʊsɪs/

## Noun

1. The identification of the nature and cause of a medical condition or illness.
   - Simple: Finding out what illness or health problem a person has, and what is causing it.
   - _Her diagnosis of type 2 diabetes came after a series of blood tests._
   - _Reaching an accurate diagnosis sometimes requires consultation among several specialists._
2. The identification of the nature and cause of something of any kind.
   - Simple: Finding out what is wrong with something and what is causing it.
   - _The engineer's diagnosis traced the system failure to a single overheated component._
   - _A careful diagnosis of the company's losses revealed poor inventory management._
3. A written description of a species or other taxon that distinguishes it from all others, especially one written and published in Latin.
   - Simple: A short written description that tells one kind of living thing apart from all others.
   - _The botanist published a Latin diagnosis distinguishing the new orchid from related species._
   - _A precise diagnosis lets other taxonomists recognize the species in the field._

## Verb

4. To identify the nature and cause of a condition or problem. *(nonstandard)*
   - Simple: To find out what illness or problem someone has.
   - _Specialists diagnosis the disorder by ruling out other causes._
   - _It took the team months to diagnosis the rare condition._

## Origin

From Latin diagnōsis, borrowed from Ancient Greek διάγνωσις (diágnōsis), from διαγιγνώσκω (diagignṓskō, "to discern"), which combines διά (diá, "through") and γιγνώσκω (gignṓskō, "to know").

Source: DictionaryAI, https://dictionaryai.com/define/diagnosis (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).