-mer


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-mer

suff.
1. Polymer: elastomer.
2. Isomer: epimer.

[German, -mer (as in Polymer, polymer Isomer, isomer) and French -mère, both from Greek meros, part; see (s)mer- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

-mer

suffix forming nouns
(Chemistry) chem denoting a substance of a particular class: monomer; polymer.
[from Greek meros part]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

-mer

a combining form used in the names of classes of molecules, chemical compounds, etc., that exhibit the feature specified by the initial element: elastomer; monomer.
[extracted from isomer or polymer]

mer.

1. meridian.
2. meridional.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.