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[mon-uh-mer] /ˈmɒn ə mər/
noun, Chemistry.
a molecule of low molecular weight capable of reacting with identical or different molecules of low molecular weight to form a polymer.
Origin of monomer
First recorded in 1910-15; mono- + -mer
Related forms
[mon-uh-mer-ik] /ˌmɒn əˈmɛr ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for monomer


(chem) a compound whose molecules can join together to form a polymer
Derived Forms
monomeric (ˌmɒnəˈmɛrɪk) adjective
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 monomer

1914, from mono- + Greek meros "part" (see merit (n.)). Related: Monomerous.

Online Etymology Dictionary, © 2010 Douglas Harper
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monomer in Medicine

monomer mon·o·mer (mŏn'ə-mər)

  1. The molecular unit that joins with similar units to form a polymer.

  2. The protein structural unit of a virion capsid.

  3. The subunit of a protein composed of several such units loosely associated with one another.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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monomer in Science
A molecule that can combine with others of the same kind to form a polymer. Glucose molecules, for example, are monomers that can combine to form the polymer cellulose. Polymers can also be composed of different kinds of monomers.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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