e·ti·ol·o·gy

[ee-tee-ol-uh-jee]
noun, plural e·ti·ol·o·gies.
1.
Pathology.
a.
the study of the causes of diseases.
b.
the cause or origin of a disease.
2.
the study of causation.
3.
any study of causes, causation, or causality, as in philosophy, biology, or physics.
Also, aetiology.


Origin:
1545–55; < Latin aetiologia < Greek aitiología determining the cause of something, equivalent to aití(a) cause + -o- -o- + -logia -logy

e·ti·ol·o·gist, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To etiology
00:10
Etiology is always a great word to know.
So is quincunx. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
Collins
World English Dictionary
aetiology or etiology (ˌiːtɪˈɒlədʒɪ) [Click for IPA pronunciation guide]
 
n , pl -gies
1.  the philosophy or study of causation
2.  the study of the causes of diseases
3.  the cause of a disease
 
[C16: from Late Latin aetologia, from Greek aitiologia, from aitia cause]
 
etiology or etiology
 
n
 
[C16: from Late Latin aetologia, from Greek aitiologia, from aitia cause]
 
aeti'ologist or etiology
 
n
 
eti'ologist or etiology
 
n

etiology (ˌiːtɪˈɒlədʒɪ) [Click for IPA pronunciation guide]
 
n , pl -gies
a variant spelling of aetiology
 
etiological
 
adj
 
etio'logically
 
adv
 
eti'ologist
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

etiology
"science of causes or causation," 1550s, from Gk. aitiologia "statement of cause," from aitia "cause" + -logia "speaking." Related: Etiologic; etiological.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

etiology e·ti·ol·o·gy or ae·ti·ol·o·gy (ē'tē-ŏl'ə-jē)
n.

  1. The science and study of the causes or origins of disease.

  2. 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.
Cite This Source
American Heritage
Science Dictionary
etiology   (ē'tē-ŏl'ə-jē)  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Perhaps someone more familiar with plague etiology can enlighten us on this
  point.
For one thing, it enables me to understand the clinical etiology of
  psychological problems, such as yours.
The etiology for the deaths that were happening so rapidly was complete mystery
  to everyone.
The etiology for bipolar disorder is unknown.
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT