[ en-doh-mee-tree-uh m ]
/ ˌɛn doʊˈmi tri əm /

noun, plural en·do·me·tri·a [en-doh-mee-tree-uh] /ˌɛn doʊˈmi tri ə/. Anatomy.

the mucous membrane lining the uterus.

Nearby words

  1. endometrioid carcinoma,
  2. endometrioid tumor,
  3. endometrioma,
  4. endometriosis,
  5. endometritis,
  6. endomitosis,
  7. endomixis,
  8. endomorph,
  9. endomorphic,
  10. endomorphism

Origin of endometrium

1880–85; endo- + New Latin -metrium < Greek mḗtr(ā) womb + -ion diminutive suffix

Related formsen·do·me·tri·al, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for endometrial

British Dictionary definitions for endometrial


/ (ˌɛndəʊˈmiːtrɪəm) /

noun plural -tria (-trɪə)

the mucous membrane that lines the uterus
Derived Formsendometrial, adjective

Word Origin for endometrium

C19: New Latin, from endo- + Greek mētra uterus

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

Word Origin and History for endometrial



1882, medical Latin, from endo- + Greek metra "uterus," related to meter (see mother (n.1)).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for endometrial


[ ĕn′dō-mētrē-əm ]

n. pl. en•do•me•tri•a (-trē-ə)

The glandular mucous membrane comprising the inner layer of the uterine wall.
Related formsen′do•metri•al adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for endometrial


[ ĕn′dō-mētrē-əm ]

Plural endometria

The mucous membrane that lines the uterus. A fertilized egg must embed itself in the endometrium in order to develop into an embryo. See more at menstrual cycle.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.