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metamerism definition

me·tam·er·ism (mə tam′ər iz′əm)

noun

  1. Etymology: metamer + -ism

    Chem. the type of isomerism in which chemical compounds have identical proportions of the same elements and the same molecular weight, but have radicals differing in type or position, with resulting differences in chemical properties
  2. Zool. the condition of being made up of metameres

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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