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imperforate

American  
[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

  1. an imperforate stamp.

imperforate British  
/ -ˌreɪt, ɪmˈpɜːfərɪt /

adjective

  1. not perforated

  2.  imperf.  (of a postage stamp) not provided with perforation or any other means of separation Compare perforate

  3. 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

Other Word Forms

Etymology

Origin of imperforate

First recorded in 1665–75; im- 2 + perforate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Imperforate esophagus usually shows an upper esophageal segment ending in a blind pouch.

From Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery by Jackson, Chevalier

Imperforate Anus.—Cases in which the anus is imperforate or the rectum ends in a blind pouch are occasionally seen.

From Anomalies and Curiosities of Medicine by Pyle, Walter L. (Walter Lytle)

Imperforate, -d, im-pėr′fo-rāt, -ed, adj. not pierced through: having no opening.—adj.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various

Unused imperforate copies exist of all values in the following shades— Imperforate �d. grey-green. " 1d. pale crimson. " 2d. orange-yellow.

From Gambia by Melville, Frederick John

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.