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unzip

un·zip [ un zíp ] (past and past participle un·zipped, present participle un·zip·ping, 3rd person present singular un·zips)


verb 
Definition:
 
1. transitive and intransitive verb undo zipper of: to open or unfasten something such as clothing or luggage by means of a zipper, or become open or unfastened by this means

2. transitive verb decompress file: to decompress a computer file that has been compressed

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