Definition of perforation
1
: the act or process of perforating
2a
: 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
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Merriam-Webster unabridged
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Time Traveler for perforation
The first known use of perforation was in the 15th century
See more words from the same century