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also ae·ti·ol·o·gy (ē′tē-ŏl′ə-jē)
n. pl. e·ti·ol·o·gies also ae·ti·ol·o·gies
a. The study of causes or origins.
b. The branch of medicine that deals with the causes or origins of disease.
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 aitiologiā : aitiā, cause + -logiā, -logy.]

e′ti·o·log′ic (-ə-lŏj′ĭk), e′ti·o·log′i·cal adj.
e′ti·o·log′i·cal·ly adv.
e′ti·ol′o·gist n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.etiologic - of or relating to the philosophical study of causation
2.etiologic - relating to the etiology of a diseaseetiologic - relating to the etiology of a disease; "etiological agent"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Sequence analysis of the internal transcribed spacer (ITS) 1/5.8S/ITS2 and small subunit ribosomal RNA confirmed that Trichomonas gypaetinii was the etiologic agent.
pseudomallei is the etiologic agent of melioidosis in humans and animals.
The five criteria for malnutrition include non-volitional weight loss, low body mass index, and reduced muscle mass (as phenotypic criteria); and reduced food intake/assimilation and inflammation/disease burden (as etiologic criteria).
In this retrospective study, we reviewed the clinical manifestations, laboratory findings, pathological changes and etiologic associations of CV.
We aimed to investigate olfactory dysfunction in patients with BTM and to determine etiologic factors.
Conclusion: MRI is an important part of the comprehensive evaluation of children with developmental delay, as many specific etiologic and pathophysiologic conditions that lead to developmental delay can be detected easily.
The contributions that make up the main body of the text are devoted to a wide variety of related subjects, including recent advances in autism research as reflected in DSM-5 criteria for autism spectrum disorder, a critical review of the new diagnostic class of obsessive-compulsive and related disorders, the etiologic, phenomenologic, and endophenotypic overlap of schizophrenia and bipolar disorder, and many others.
On analyzing the etiologic factors, the most common aetiology i.e.
This review considers the enriched-risk pregnancy cohort approach of studying infant siblings in the context of current thinking on ASD etiologic mechanisms.
Recurrent depression from midlife through late life increases the risk of vascular dementia, suggesting a progressive etiologic association with vascular disease, a large, long-term retrospective cohort study has shown.
Results: Among the 124 patients enrolled, an etiologic agent was identified in 44 (35.4%) patients.
"Our findings indicate that ASD, schizophrenia and bipolar disorders share etiologic risk factors.