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Definition

adjective

(1) Of, pertaining to, or based on aetiology, the study of causation.

(2) Causing a disease or a pathological condition . As in: etiological agent of a disease.

Supplement

Word origin: Gk aitiología: determining the cause of something.
Related forms: aetiology (noun), aetiologically (adverb), aetiologist (noun).
Related phrases: aetiological factors, aetiological diagnosis.
Synonym: etiological.
See also: aetiology.