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a combining form meaning “part,” used in the formation of compound words:
Compare -mer, -merous.
Origin of -mere
combining form representing Greek méros Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for -mere


combining form
indicating a part or division: blastomere
Derived Forms
-meric, combining_form:in_adjective
Word Origin
from Greek meros part, portion
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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-mere in Medicine

-mere or -mer
Part; segment: blastomere, polymer.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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-mere in Science
-mere or -mer  
A suffix meaning "part" or "segment," as in blastomere, one of the cells that form a blastula.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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