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.
Diclofenac is a non-steroidal anti-inflammatory drug (NSAID) that may increase the risk of heart attack, stroke, internal bleeding, stomach ulcers, and the fatal perforation of the stomach or intestines. Thomas G. Moukawsher, Newsweek, 17 Dec. 2024 It’s made from durable resin with perforations in the chairs to keep your guests cool on hotter days. Brittney Morgan, Better Homes & Gardens, 28 Nov. 2024 But also that doesn’t have perforation or breathability. Allen Farmelo, Robb Report, 6 Dec. 2024 The seats are beautiful too with patterns and panels and perforations for the heating and cooling. Thomas G. Moukawsher, Newsweek, 30 Nov. 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 24 Dec. 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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