[ 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


mon·o·mer·ic [mon-uh-mer-ik] /ˌmɒn əˈmɛr ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for monomer

/ (ˈmɒnəmə) /


chem a compound whose molecules can join together to form a polymer

Derived forms of monomer

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

Medical definitions for monomer

[ mŏnə-mər ]


The molecular unit that joins with similar units to form a polymer.
The protein structural unit of a virion capsid.
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.

Scientific definitions for monomer

[ mŏnə-mər ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.