imperforate

[ im-pur-fer-it, -fuh-reyt ]

/ ɪmˈpɜr fər ɪt, -fəˌreɪt /

adjective

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.

noun

an imperforate stamp.

Nearby words

imperfect fungus, imperfect stage, imperfectible, imperfection, imperfective, imperforate, imperforate anus, imperforation, imperia, imperial, imperial beach

Origin of imperforate

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

Related formsim·per·fo·ra·tion, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for imperforation

imperforate

/ (ɪmˈpɜːfərɪt, -ˌreɪt) /

adjective

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

Derived Formsimperforation, 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

Word Origin and History for imperforation

imperforate

adj.

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

Medicine definitions for imperforation (1 of 2)

imperforation

[ ĭm-pûr′fə-rā′shən ]

n.

The condition of being abnormally occluded or closed.

Medicine definitions for imperforation (2 of 2)

imperforate

[ ĭm-pûr′fər-ĭt ]

adj.

Lacking a normal opening.