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epimer

[ep-uh-mer]
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noun Chemistry.
  1. either of a pair of isomeric aldose compounds, especially of certain sugars, that differ from each other in the positions of the H and OH at the second atom from the end of the carbon chain, as d-glucose and d-mannose.
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Also e·pim·er·ide [uh-pim-uh-rahyd] /əˈpɪm əˌraɪd/.

Origin of epimer

First recorded in 1910–15; epi- + -mer
Related formsep·i·mer·ic [ep-uh-mer-ik] /ˌɛp əˈmɛr ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
epimeric in Medicine

epimer

(ĕp′ə-mər)
n.
  1. One of two molecules that differ only in the spatial arrangement around a single carbon atom.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.