- Also im·per·fo·rat·ed. not perforate; having no perforation.
- Philately. (of a number of stamps joined together) lacking the perforations usually separating individual stamps.
- an imperforate stamp.
Origin of imperforate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for imperforate
When a liquid is to be separated from a liquid, the receptacle must be imperforate.
We also find all values occurring in an imperforate condition.Canada: Its Postage Stamps and Postal Stationery
Clifton Armstrong Howes
The first stamps were imperforate, necessitating the use of scissors or other instrument in separating them.What Philately Teaches
John N. Luff
Although made and approved, this stamp is said to have been withheld from issue in this imperforate condition.
The 2nd or 1851 issue, as it is called in the circular, actually consisted of two series, the imperforate and perforate.
- not perforated
- (of a postage stamp) not provided with perforation or any other means of separationAbbreviation: imperf Compare perforate
- anatomy (of a bodily part, such as the anus) without the normal opening
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
Word Origin and History for imperforate
Online Etymology Dictionary, © 2010 Douglas Harper
- Lacking a normal opening.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.