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Definition of unzip - 4 dictionary results

un⋅zip

[uhn-zip] verb, -zipped, -zip⋅ping.
–verb (used with object)
1. to open the zipper of.
–verb (used without object)
2. to become unzipped.

Origin:
1935–40; un- 2 + zip 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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un·zip   (ŭn-zĭp')   
tr. & intr.v.   un·zipped, un·zip·ping, un·zips
To open or unfasten by means of a zipper or become unzipped.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

unzip 
1939, from un- (2) + zip.
Online Etymology Dictionary, © 2001 Douglas Harper
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Computing Dictionary

unzip
1. To extract files from an archive created with PKWare's PKZIP archiver.
2. A program to list, test, or extract files from a ZIP archive, commonly found on MS-DOS systems. zip, creates ZIP archives; both programs are compatible with archives created by PKWARE's PKZIP and PKUNZIP for MS-DOS.
(1995-03-06)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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