Definitions

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

  • n. 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 Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. 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.
  • n. A material consisting of such polymer molecules.

from the GNU version of the Collaborative International Dictionary of English

  • n. Any one of two or more substances related to each other by polymerism; specifically, a substance produced from another substance by chemical polymerization.

from The Century Dictionary and Cyclopedia

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

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

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

Etymologies

Greek polumerēs, consisting of many parts : polu-, poly- + meros, part; see (s)mer-2 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek πολύς (poly, "many") + μέρος (meros, "part"). Coined in 1833 by Jöns Jacob Berzelius, although his definition was quite different from ours. (Wiktionary)

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