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
The scan also showed a perforation in the esophagus.
—
ArsTechnica, 27 June 2025
The laced shoes were embellished with a row of rounded metallic studs above the sole and the upper was detailed with a classic brogue design, including intricate perforations.
—Jaden Thompson, Footwear News, 2 June 2025
Another less common option is enamel bowls used as baskets, and some feature perforations similar to that of colanders.
—Bestreviews, Chicago Tribune, 27 Mar. 2025
Kane Gender-inclusive Revive Shoe Ideal for those seeking a functional recovery shoe with a bit of style, these Kane shoes have breathable perforations to keep your feet cool.
—Kristine Thomason, Travel + Leisure, 22 Apr. 2025
See All Example Sentences for perforation
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ArsTechnica, 27 June 2025
The laced shoes were embellished with a row of rounded metallic studs above the sole and the upper was detailed with a classic brogue design, including intricate perforations.
—Jaden Thompson, Footwear News, 2 June 2025
Another less common option is enamel bowls used as baskets, and some feature perforations similar to that of colanders.
—Bestreviews, Chicago Tribune, 27 Mar. 2025
Kane Gender-inclusive Revive Shoe Ideal for those seeking a functional recovery shoe with a bit of style, these Kane shoes have breathable perforations to keep your feet cool.
—Kristine Thomason, Travel + Leisure, 22 Apr. 2025
See All Example Sentences for perforation
Cite this Entry
“Perforation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perforation. Accessed 18 Jul. 2025.
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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