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View synonyms for perforation

perforation

[ pur-fuh-rey-shuhn ]

noun

  1. a hole, or one of a series of holes, bored or punched through something, as those between individual postage stamps of a sheet to facilitate separation.
  2. a hole made or passing through a thing.
  3. the act of perforating.
  4. the condition or state of being perforated. perforated.


perforation

/ ˌpɜːfəˈreɪʃən /

noun

  1. the act of perforating or the state of being perforated
  2. a hole or holes made in something
    1. a method of making individual stamps, coupons, etc, easily separable by punching holes along their margins
    2. the holes punched in this way perf
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of perforation1

1400–50; late Middle English < Medieval Latin perforātiōn- (stem of perforātiō ) a boring through. See perforate, -ion
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Example Sentences

As wind hits the airfoils, it creates a low pressure zone that sucks air through perforations and turns a propeller at the bottom of the unit.

For extra measure, Maloja added a grid of ventilating perforations over the spine.

If it’s administered through a colonoscopy, there’s a risk of perforation of the colon, as there is with any colonoscopy.

From Time

Thanks to tiny perforations in the polyester build that boost air flow, sweat disappears immediately.

Razer’s Arctech cases employ a proprietary material called Thermaphene that draws heat out from the back of the device and vents it through small perforations in the back of the case.

He had several books containing large forms divided by perforation into four parts.

I took a sheet of paper to him, and showed him how easy it would be by perforation to tear off the stamps as needed.

When preserved whole, with merely a perforation at the top, they are used to carry water, some holding nearly three gallons.

Originally determined by the slat of wood which strengthened the wall-plate at the point of its perforation by the trunnels.

The ordinary dagger would have made a wider perforation with a corresponding increase in the blood-flow.

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perforated tapeperforation gauge