perforation

  1. Noun.  the act of perforating or the state of being perforated.
  2. Noun.  any opening in a solid object.
  3. Noun.  (medicine) an abnormal opening in an organ, such as a rupture.
  4. Noun.  a series of holes punched through something in order to assist in separating parts.
  5. Noun.  (mathematics) that portion of a surface that remains after an open disk is removed from it.

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