• synonyms


or a·men·or·rhoe·a

[ey-men-uh-ree-uh, uh-men-]
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noun Pathology.
  1. absence of the menses.

Origin of amenorrhea

First recorded in 1795–1805; a-6 + meno- + -rrhea
Related formsa·men·or·rhe·al, a·men·or·rhoe·al, a·men·or·rhe·ic, a·men·or·rhoe·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for amenorrhoea

Historical Examples

  • Opposed to amenorrhoea is menorrhagia, or an excessive menstrual flow.

    Essays In Pastoral Medicine

    Austin Malley

  • Amenorrhoea is an absence of menstruation in conditions other than pregnancy or lactation.

British Dictionary definitions for amenorrhoea


esp US amenorrhea

  1. abnormal absence of menstruation

Word Origin

C19: from a- 1 + meno- + -rrhoea
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 amenorrhoea



1804, Modern Latin, from Greek privative prefix a- "not" (see a- (3)) + men "month" (see moon (n.)) + rhein "to flow" (see rheum). Related: amenorrheal.

Online Etymology Dictionary, © 2010 Douglas Harper

amenorrhoea in Medicine


  1. Abnormal suppression or absence of menstruation.menostasis
Related formsa•men′or•rheal adj.a•men′or•rheic adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

amenorrhoea in Science


  1. The absence of menstruation in a woman between puberty and menopause. Some causes include pregnancy, decreased body weight, endocrine and other medical disorders, and certain medications.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.