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a combining form meaning “flow,” “discharge,” used in the formation of compound words:
Also, -rhea.
Compare rheo-.
Origin of -rrhea
< New Latin -rrhoea < Greek -rrhoia, combining form representing rhoía a flow, akin to rheîn to flow, stream Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for -rrhea


combining form
(in pathology) a discharge or flow: diarrhoea
Word Origin
from New Latin, from Greek -rrhoia, from rhoia a flowing, from rhein to flow
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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-rrhea in Medicine

-rrhea suff.
Flow; discharge: seborrhea.

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