membrane

  1. Noun.  A flexible enclosing or separating tissue forming a plane or film and separating two environments (usually in a plant or animal).
  2. Noun.  A mechanical, thin, flat flexible part that can deform or vibrate when excited by an external force.
  3. Noun.  A flexible or semi-flexible covering or waterproofing whose primary function is to exclude water.

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This entry was last updated on RefTopia from its source on 3/20/2012.