from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units, each a relatively light and simple molecule.

from The Century Dictionary.

  • noun In chem., a compound which is polymeric with some other compound; a polymeride.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.), Formerly also written polymere. Any one of two or more substances related to each other by polymerism; specifically, a substance produced from another substance by chemical polymerization.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun organic chemistry A long or larger molecule consisting of a chain or network of many repeating units, formed by chemically bonding together many identical or similar small molecules called monomers. A polymer is formed by polymerization, the joining of many monomer molecules.
  • noun A material consisting of such polymer molecules.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers


from The American Heritage® Dictionary of the English Language, 4th Edition

[Greek polumerēs, consisting of many parts : polu-, poly- + meros, part; see (s)mer- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek πολύς (poly, "many") + μέρος (meros, "part"). Coined in 1833 by Jöns Jacob Berzelius, although his definition was quite different from ours.


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