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or oedema

[ih-dee-muh] /ɪˈdi mə/
noun, plural edemas, edemata
[ih-dee-muh-tuh] /ɪˈdi mə tə/ (Show IPA).
effusion of serous fluid into the interstices of cells in tissue spaces or into body cavities.
Plant Pathology.
  1. a small surface swelling of plant parts, caused by excessive moisture.
  2. any disease so characterized.
Origin of edema
1490-1500; < New Latin oedēma < Greek oídēma a swelling, equivalent to oidē- (variant stem of oideîn to swell) + -ma noun suffix
Related forms
[ih-dem-uh-tuh s, ih-dee-muh-] /ɪˈdɛm ə təs, ɪˈdi mə-/ (Show IPA),
[ih-dem-uh-tohs, ih-dee-muh-] /ɪˈdɛm əˌtoʊs, ɪˈdi mə-/ (Show IPA),
pseudoedema, noun, plural pseudoedemata. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for pseudoedema


noun (pl) -mata (-mətə)
the usual US spelling of oedema
Derived Forms
edematous (ɪˈdɛmətəs), edematose, adjective
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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Word Origin and History for pseudoedema



c.1400, from medical Latin, from Greek oidema (genitive oidematos) "a swelling tumor," from oidein "to swell," from oidos "tumor, swelling," from PIE *oid- "to swell;" cf. Latin aemidus "swelling," Armenian aitumn "a swelling," Old Norse eista "testicle," Old English attor "poison" (that which makes the body swell), and the first element in Oedipus.

Online Etymology Dictionary, © 2010 Douglas Harper
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pseudoedema in Medicine

pseudoedema pseu·do·e·de·ma (sōō'dō-ĭ-dē'mə)
A puffiness of the skin that is not the result of an accumulation of fluid.

edema e·de·ma (ĭ-dē'mə)
n. pl. e·de·mas or e·de·ma·ta (-mə-tə)
An accumulation of an excessive amount of watery fluid in cells, tissues, or serous cavities.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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pseudoedema in Science
An accumulation of an excessive amount of watery fluid in cells, tissues, or body cavities. Edema can be mild and benign as in pregnancy or prolonged standing in the elderly, or a serious sign of heart, liver, or kidney failure, or of other diseases.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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