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definition of the word perforation

by the Wiktionnary

Wikipedia has an article on:
Perforation

Wikipedia

Singular
perforation

Plural
perforations

perforation (plural perforations)

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

Retrieved from "http://en.wiktionary.org/wiki/perforation"
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