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membrane definition

mem·brane (mem′brān′)

noun

  1. a thin, soft, pliable sheet or layer, especially of animal or vegetable tissue, serving as a covering or lining, as for an organ or cell
  2. any thin, flexible layer or material designed to separate, filter, etc.

Etymology: L membrana, membrane, fine skin, parchment < membrum, member

Related Forms:

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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