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.
- im·per·fo·ra·tion, noun
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British Dictionary definitions for imperforate
(of a postage stamp) not provided with perforation or any other means of separation: Abbreviation: imperf Compare perforate
anatomy (of a bodily part, such as the anus) without the normal opening
- imperforation, noun
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