perforation

noun

per·​fo·​ra·​tion ˌpər-fə-ˈrā-shən How to pronounce perforation (audio)
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

an infection that can cause perforation of the intestine during the lesson the boy absentmindedly made perforations in his paper with his pencil
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This hazard, hard plastic, and many other physical hazards such as metal and rocks/stones can cause illness or injury to the consumer, including laceration, cuts to the tongue or gum, perforation, occlusion (choking), typically occurring immediately or shortly after consumption. John W. Dean, MSNBC Newsweek, 7 Apr. 2025 The lawsuit claims medical errors happened during the procedure, which led to the bowel perforation. Kendrick Calfee, Kansas City Star, 27 Mar. 2025 The suede exterior and leather details on the tongue and heel elevate them enough to look stylish on business trips, while the sneaky perforations on the upper add extra breathability. Amelia McBride, Travel + Leisure, 13 Mar. 2025 No small tail flickered out of sight and no trace of perforation was visible. Hazlitt, 12 Mar. 2025 See All Example Sentences for perforation

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of perforation was in the 15th century

Browse Nearby Words

Cite this Entry

“Perforation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perforation. Accessed 22 Apr. 2025.

Kids Definition

perforation

noun
per·​fo·​ra·​tion ˌpər-fə-ˈrā-shən How to pronounce perforation (audio)
1
: the act or process of perforating
2
: a hole, pattern, or series of holes made by perforating

Medical Definition

perforation

noun
per·​fo·​ra·​tion ˌpər-fə-ˈrā-shən How to pronounce perforation (audio)
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 The 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

More from Merriam-Webster on perforation

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