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dimer

[dahy-mer]
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noun Chemistry.
  1. a molecule composed of two identical, simpler molecules.
  2. a polymer derived from two identical monomers.
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Compare oligomer.

Origin of dimer

First recorded in 1905–10; di-1 + -mer
Related formsdi·mer·ic [dahy-mer-ik] /daɪˈmɛr ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for dimer

dimer

noun
  1. chem
    1. a molecule composed of two identical simpler molecules (monomers)
    2. a compound consisting of dimers
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Word Origin

C20: from di- 1 + -mer
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
dimer in Medicine

dimer

(dī′mər)
n.
  1. A molecule consisting of two identical simpler molecules.
  2. A chemical compound consisting of such molecules.
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Related formsdi•mer′ic (dī-mĕr′ĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
dimer in Science

dimer

[dī′mər]
  1. Any of various chemical compounds made of two smaller identical or similar molecules (called monomers) that are linked together. Dimers are linked by hydrogen bonds, coordinate bonds, or covalent bonds. Sucrose is a dimer composed of the monomers glucose and fructose.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.