[ ee-tee-ol-uh-jee ]
/ ˌi tiˈɒl ə dʒi /
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
Related formse·ti·ol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for etiologist
/ (ˌiːtɪˈɒlədʒɪ) /
noun plural -gies
a variant spelling of aetiology
Derived Formsetiological (ˌiːtɪəˈlɒdʒɪkəl), adjectiveetiologically, adverbetiologist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for etiologist
"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.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for etiologist
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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for etiologist
[ 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.