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perforation

 
Noun perforation has 3 senses
  1. perforation - a line of small holes for tearing at a particular place
    --1 is a kind of
    hole
    Derived form: verb perforate1
  2. perforation - a hole made in something; "a perforation of the eardrum"
    --2 is a kind of
    hole
    Derived form: verb perforate2
  3. perforation - the act of punching a hole (especially a row of holes as for ease of separation)
    --3 is a kind of
    puncture
    Derived form: verb perforate1
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