e·ti·ol·o·gy also ae·ti·ol·o·gy (  t- l  -j)n. pl. e·ti·ol·o·gies also ae·ti·ol·o·gies 1. a. The study of causes or origins. b. The branch of medicine that deals with the causes or origins of disease. 2. a. Assignment of a cause, an origin, or a reason for something. b. The cause or origin of a disease or disorder as determined by medical diagnosis. [Late Latin aetiologia, from Greek aitiologi  : aiti, cause + -logi, -logy.]e ti·o·logic (--lj k), eti·o·logi·cal adj.e ti·o·logi·cal·ly adv.e ti·olo·gist n. |
etiology [ˌiːtɪˈɒlədʒɪ]
n pl -gies
| etiology (t-l-j) The cause or origin of a disease, condition, or constellation of symptoms or signs, as determined by medical diagnosis or research. |
etiology, aetiology
1. the branch of medical science that studies the causes of diseases and the factors underlying their spread.
2. the accumulated knowledge of disease causes. — etiologist, n. — etiologic, etiological, adj.
See also: Disease and Illness2. the accumulated knowledge of disease causes. — etiologist, n. — etiologic, etiological, adj.
the science of causation. — etiologic, aetiologic, etiological, aetiological, adj.
See also: Philosophythe science of the causes of natural phenomena. — etiologic, aetiologic, etiological, aetiological, adj.
See also: Naturethe study of the causes for and origin of any phenomena. Also spelled aetiology. — etiological, adj.
See also: Origins
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  etiology - the cause of a disease cause - events that provide the generative force that is the origin of something; "they are trying to determine the cause of the crash" |
| 2. | etiology - the philosophical study of causation philosophy - the rational investigation of questions about existence and knowledge and ethics |
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