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ecchymosis

[ek-uh-moh-sis]
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noun, plural ec·chy·mo·ses [ek-uh-moh-seez] /ˌɛk əˈmoʊ siz/. Pathology.
  1. a discoloration due to extravasation of blood, as in a bruise.
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Origin of ecchymosis

1535–45; < New Latin < Greek ekchýmōsis extravasation, equivalent to ek- ec- + chȳm(ós) juice + -ōsis -osis
Related formsec·chy·mot·ic [ek-uh-mot-ik] /ˌɛk əˈmɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for ecchymoses

ecchymosis

noun plural -ses (-siːz)
  1. discoloration of the skin through bruising
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Derived Formsecchymosed (ˈɛkɪˌməʊzd, -ˌməʊst) or ecchymotic (ˌɛkɪˈmɒtɪk), adjective

Word Origin

C16: from New Latin, from Greek ekkhumōsis, from ekkhumousthai to pour out, from khumos juice
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

ecchymoses in Medicine

ecchymosis

(ĕk′ĭ-mōsĭs)
n. pl. ec•chy•mo•ses (-sēz′)
  1. The passage of blood from ruptured blood vessels into subcutaneous tissue, marked by a purple discoloration of the skin.
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Related formsec′chy•motic (-mŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.