perforation

noun per·fo·ra·tion \ ˌpər-fə-ˈrā-shən \
Updated on: 8 Dec 2017

Definition of perforation

1 : the act or process of perforating
2 a : a hole or pattern made by or as if by piercing or boring
b : one of the series of holes (as between rows of postage stamps) in a sheet that serve as an aid in separation

Examples of perforation in a Sentence

  1. an infection that can cause perforation of the intestine

  2. absentmindedly made perforations in his paper with his pencil

Recent Examples of perforation from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'perforation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of perforation

15th century


PERFORATION Defined for English Language Learners

perforation

noun

Definition of perforation for English Language Learners

  • : a small hole or series of small holes in paper, cardboard, etc.

  • medical : a hole in part of the body caused by an accident or disease


Medical Dictionary

perforation

noun per·fo·ra·tion \ ˌpər-fə-ˈrā-shən \

medical Definition of perforation

1 : the act or process of perforating; specifically : the penetration of a body part through accident or disease
  • spontaneous perforation of the sigmoid colon in the presence of diverticulosis
  • Journal of the American Medical Association
2 a : a rupture in a body part caused especially by accident or disease
b : a natural opening in an organ or body part


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