perforation

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• February 21. 2013 from wordnet.princeton.edu

  perforation — noun — english

  a line of small holes for tearing at a particular place

• March 1. 2016 from wordnet.princeton.edu

  perforation — noun — english

  a hole made in something; "a perforation of the eardrum"

• March 1. 2016 from wordnet.princeton.edu

  perforation — noun — english

  the act of punching a hole (especially a row of holes as for ease of separation)