[ pur-fuh-rey-shuh n ]
/ ˌpɜr fəˈreɪ ʃən /


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.
a hole made or passing through a thing.
the act of perforating.
the condition or state of being perforated.

Origin of perforation

1400–50; late Middle English < Medieval Latin perforātiōn- (stem of perforātiō) a boring through. See perforate, -ion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for perforation

British Dictionary definitions for perforation

/ (ˌpɜːfəˈreɪʃən) /


the act of perforating or the state of being perforated
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 wayAbbreviation: 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

Medical definitions for perforation

[ pûr′fə-rāshən ]


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