Meaning of “unzip” in the English Dictionary

british dictionary

"unzip" in British English

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(Definition of “unzip” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"unzip" in American English

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unzipverb [ T ]

us /ʌnˈzɪp/ -pp-

to open the zipper (= a fastener consisting of two rows of metal or plastic teeth) on something

(Definition of “unzip” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"unzip" in Business English

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unzipverb [ T ]

uk /ʌnˈzɪp/ us -pp- IT

to return a computer file to its original size after it has been zipped (= reduced in size so that it can be easily sent or stored):

After you have unzipped the file, click on the 'Start' button.
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(Definition of “unzip” from the Cambridge Business English Dictionary © Cambridge University Press)