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imperforate

[im-pur-fer-it, -fuh-reyt] /ɪmˈpɜr fər ɪt, -fəˌreɪt/
adjective
1.
Also, imperforated. not perforate; having no perforation.
2.
Philately. (of a number of stamps joined together) lacking the perforations usually separating individual stamps.
noun
3.
an imperforate stamp.
Origin
1665-1675
1665-75; im-2 + perforate
Related forms
imperforation, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for imperforate

imperforate

/ɪmˈpɜːfərɪt; -ˌreɪt/
adjective
1.
not perforated
2.
(of a postage stamp) not provided with perforation or any other means of separation imperf Compare perforate
3.
(anatomy) (of a bodily part, such as the anus) without the normal opening
Derived Forms
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
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Word Origin and History for imperforate
adj.

1670s, from im- + perforate (adj.).

Online Etymology Dictionary, © 2010 Douglas Harper
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imperforate in Medicine

imperforate im·per·fo·rate (ĭm-pûr'fər-ĭt)
adj.
Lacking a normal opening.

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