perforation
noun
per·fo·ra·tion
ˌpər-fə-ˈrā-shən 
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
Also beware of perforations in the upper designed to make the boots more breathable—those holes could be a liability in deep water or snow.
—
Svati Kirsten Narula, Outside Online, 25 Oct. 2024
This consists of double-sided blowers, airflow channels, and thousands of perforations on the back and bottom of the machine's case.
—Brenda Stolyar, WIRED, 8 Mar. 2022
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
See all Example Sentences for perforation 
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Svati Kirsten Narula, Outside Online, 25 Oct. 2024
This consists of double-sided blowers, airflow channels, and thousands of perforations on the back and bottom of the machine's case.
—Brenda Stolyar, WIRED, 8 Mar. 2022
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
See all Example Sentences for perforation
Dictionary Entries Near perforation
Cite this Entry
“Perforation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perforation. Accessed 30 Nov. 2024.
Copy CitationKids Definition
perforation
noun
per·fo·ra·tion
ˌpər-fə-ˈrā-shən
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
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
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
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