Look up perforation in Wiktionary, the free dictionary.
A perforation is a small hole in a thin material or web.
Perforation may also refer to:
- A leaf feature
- Perforation (oil well), a hole punched in the casing or liner of an oil well to connect it to the reservoir
- Perforation gauge, a term used in philately
- Postage stamp perforation, used to separate postage stamps
- Film perforations, the holes placed in the film stock during manufacturing and used for transporting
- Hair perforation test, a laboratory test used to help distinguish the isolates of dermatophytes
- Hydro-slotted perforation, a process in oil and gas drilling
- Organ perforation, a complete penetration of the wall of a hollow organ in the body, including:
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