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Noun: perforation  ,pur-fu'rey-shun
  1. A line of small holes for tearing at a particular place
  2. A hole made in something
    "a perforation of the eardrum"
  3. The act of punching a hole (especially a row of holes as for ease of separation)

Derived forms: perforations

Type of: hole, puncture

Encyclopedia: Perforation