2 entries under this word

Etiology

Æ/ti-ōl'o-gy, n.

noun

n. [Lat. ætiologia, Gr. αἰτιολογία, from αἰτία, cause, and λόγος, description.] The science of causes; that department of philosophy, or of any branch of science, which is concerned with the causes or reasons of phenomena.

Ē`ti-ōl'o-gy, n.

noun

n. [Fr. étiologie, Gr. αἰτιολογία, from αἰτία, cause, and λόγος, discourse, from λέγειν, to speak. See ÆTIOLOGY.] (Med.) That branch of medical science which treats of the causes of disease.