Definition of perforation noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌpɜːfəˈreɪʃn//
    ; NAmE NAmE//ˌpɜːrfəˈreɪʃn//
    jump to other results
  1. 1[countable, usually plural] a small hole in a surface, often one of a series of small holes Tear the sheet of stamps along the perforations. He made a small perforation in the lining of the tube.
  2. 2[uncountable] (medical) the process of splitting or tearing in such a way that a hole is left Excessive pressure can lead to perforation of the stomach wall.
  3. Word Originlate Middle English: from medieval Latin perforatio(n-), from the verb perforare, from per- ‘through’ + forare ‘pierce’.
See the Oxford Advanced American Dictionary entry: perforation