/un zip"/ , v. , unzipped, unzipping .
v.t.
1. to open the zipper of.
v.i.
2. to become unzipped.
[ 1935-40; UN- 2 + ZIP 2 ]
UNZIP
Meaning of UNZIP in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012