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.
Uterine Perforation Uterine perforation—a small hole or tear in the uterine walls—can occur during IUD insertion. Wendy Wisner, Health, 28 Oct. 2024 Inside, the colossal entrance atrium wows visitors—plus, perforations in its walls and ceiling allowing sunlight to illuminate a huge statue of Ramses II (known himself to be one of Ancient Egypt’s most ambitious builders). Amy Bradford, Architectural Digest, 30 Sep. 2024 This is particularly true if the patient develops complications such as an abscess or perforation in the colon. Jake Parks, Discover Magazine, 17 Oct. 2024 About 1 in every 1,000 people will experience uterine perforation with an IUD insertion. Carrie Madormo, Rn, Mph, Verywell Health, 2 Oct. 2024 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

Dictionary Entries Near perforation

Cite this Entry

“Perforation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perforation. Accessed 23 Nov. 2024.

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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