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-mer

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Chemistry.
  1. a combining form meaning “member of a particular group”: isomer.
Compare -mere, -merous.

Origin of -mer

From the Greek word méros part, portion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for -mer

-mer

suffix forming nouns
  1. chem denoting a substance of a particular classmonomer; polymer

Word Origin

from Greek meros part
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

-mer in Medicine

-mer

suff.
  1. Variant of-mere

-mer in Science

-mere

  1. A suffix meaning “part” or “segment,” as in blastomere, one of the cells that form a blastula.