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diagnosis

di·ag·no·sis [ d əg nṓssiss ] (plural di·ag·no·ses [ d əg n sz ])


noun 
Definition:
 
1. identification of illness: the identifying of an illness or disorder in a patient through physical examination, medical tests, or other procedures

2. identification of problem: the identifying of the nature or cause of something, especially a problem or fault

3. decision reached by diagnosis: a decision or conclusion reached by medical or other diagnosis
The diagnosis is flu.

[Late 17th century. Via modern Latin< Greek diagnōsis< diagignōskein "distinguish" < gignōskein "know, perceive"]
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