[en-doh-mee-tree-uh m]

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

the mucous membrane lining the uterus.

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

British Dictionary definitions for endometria


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 endometria



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

Online Etymology Dictionary, © 2010 Douglas Harper

endometria in Medicine



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.

endometria in Science



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.