n.
Abnormal suppression or absence of menstruation.
[A-1 + Greek mēn, month + -RRHEA.]
amenorrheic a·men'or·rhe'ic or a·men'or·rhe'al adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.