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perforation

[pur-fuh-rey-shuh n] /ˌpɜr fəˈreɪ ʃən/
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.
Origin
late Middle English
1400-1450
1400-50; late Middle English < Medieval Latin perforātiōn- (stem of perforātiō) a boring through. See perforate, -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for perforations
  • A burster separated the perforations between pages of fanfold output.
British Dictionary definitions for perforations

perforation

/ˌpɜːfəˈreɪʃən/
noun
1.
the act of perforating or the state of being perforated
2.
a hole or holes made in something
3.
  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 Origin and History for perforations

perforation

n.

early 15c., "hole made through something;" mid-15c., "action of perforating," from Middle French perforation or directly from Late Latin perforationem (nominative perforatio), noun of action from past participle stem of Latin perforare "bore or pierce through," from per- "through" (see per) + forare "to pierce" (see bore (v.1)).

Online Etymology Dictionary, © 2010 Douglas Harper
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perforations in Medicine

perforation per·fo·ra·tion (pûr'fə-rā'shən)
n.

  1. The act of perforating or the state of being perforated.

  2. An abnormal opening in a hollow organ or viscus, as one made by rupture or injury.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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17
19
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