monomer

[mon-uh-mer]
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:
1910–15; mono- + -mer

monomeric [mon-uh-mer-ik] , adjective
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World English Dictionary
monomer (ˈmɒnəmə)
 
n
chem a compound whose molecules can join together to form a polymer
 
monomeric
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

monomer mon·o·mer (mŏn'ə-mər)
n.

  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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American Heritage
Science Dictionary
monomer   (mŏn'ə-mər)  Pronunciation Key 
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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Example sentences
Vinyl chloride monomer is the main raw material used in the production of polyvinyl chloride.
Isoprene is a monomer, which is a substance whose molecules can be linked together chemically to form a polymer.
Polymerizations that use only portions of a monomer, however, are known as condensation polymerizations.
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