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[dahy-ath-uh-sis] /daɪˈæθ ə sɪs/
noun, plural diatheses
[dahy-ath-uh-seez] /daɪˈæθ əˌsiz/ (Show IPA)
Pathology. a constitutional predisposition or tendency, as to a particular disease or other abnormal state of the body or mind.
Origin of diathesis
1645-55; < New Latin < Greek diáthesis arrangement, disposition. See dia-, thesis
Related forms
[dahy-uh-thet-ik] /ˌdaɪ əˈθɛt ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for diathesis


noun (pl) -ses (-ˌsiːz)
a hereditary or acquired susceptibility of the body to one or more diseases
Derived Forms
diathetic (ˌdaɪəˈθɛtɪk) adjective
Word Origin
C17: New Latin, from Greek: propensity, from diatithenai to dispose, from dia- + tithenai to place
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
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diathesis in Medicine

diathesis di·ath·e·sis (dī-āth'ĭ-sĭs)
n. pl. di·ath·e·ses (-sēz')
A hereditary predisposition of the body to a disease, a group of diseases, an allergy, or another disorder.

di'a·thet'ic (dī'ə-thět'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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