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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
noun plural -gies
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
"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
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.
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.