etiology or ae·ti·ol·o·gy [ee-tee-ol-uh-jee] Word Origin noun, plural e·ti·ol·o·gies.
- the study of the causes of diseases.
- the cause or origin of a disease.
- the study of causation.
- any study of causes, causation, or causality, as in philosophy, biology, or physics.
Origin of etiology 1545–55; Latin aetiologia Greek aitiología determining the cause of something, equivalent to aití(a) cause + -o- -o- + -logia -logy Related formse·ti·ol·o·gist, noun British Dictionary definitions for etiologist etiology noun plural -gies
- a variant spelling of aetiology
Derived Formsetiological (ˌiːtɪəˈlɒdʒɪkəl), adjectiveetiologically, adverbetiologist, noun Word Origin and History for etiologist etiology n.
“science of causes or causation,” 1550s, from Late Latin aetiologia, from Greek aitiologia “statement of cause,” from aitia “cause” + -logia “a speaking” (see -logy). Related: Etiologic; etiological.
etiologist in Medicine etiology n.
- The science and study of the causes or origins of disease.
- The cause or origin of a disease or disorder as determined by medical diagnosis.
etiologist in Science etiology [ē′tē-ŏl′ə-jē]
- The cause or origin of a disease, condition, or constellation of symptoms or signs, as determined by medical diagnosis or research.