Diagnostics

n. science of identifying disease through signs and symptoms

For medical diagnostics, see diagnosis.
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Noun
1. the branch of medical science dealing with the classification of disease
(synonym) nosology
(hypernym) medicine, medical specialty

n. diagnosis, process of identifying a disease from its symptoms, conclusion following a diagnostic exam

(n.)
That part of medicine which has to do with ascertaining the nature of diseases by means of their symptoms or signs.