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[ey-men-uh-ree-uh, uh-men-] /eɪˌmɛn əˈri ə, əˌmɛn-/
noun, Pathology
absence of the menses.
Also, amenorrhoea.
1795-1805; a-6 + meno- + -rrhea
Related forms
amenorrheal, amenorrhoeal, amenorrheic, amenorrhoeic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for amenorrhea
  • Primary and secondary amenorrhea and precocious puberty: etiology, diagnostic evaluation, management.
  • If bleeding occurs after that, the cause of amenorrhea is related to low estrogen levels.
British Dictionary definitions for amenorrhea


/æˌmɛnəˈrɪə; eɪ-/
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
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Word Origin and History for amenorrhea

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
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amenorrhea in Medicine

amenorrhea a·men·or·rhe·a or a·men·or·rhoe·a (ā-měn'ə-rē'ə)
Abnormal suppression or absence of menstruation. Also called menostasis.

a·men'or·rhe'al adj.
a·men'or·rhe'ic adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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amenorrhea in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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