- gigabyte gig‧a‧byte [ˈgɪgəbaɪt] written abbreviation Gb noun [countable]
• disks that can hold up to 96 gigabytes of data
* * *gigabyte UK US /ˈgɪgəbaɪt/ noun [C] (ABBREVIATION GB, INFORMAL gig)► IT a unit of computer information, consisting of 1024 megabytes: »
One gigabyte can hold just over 16 hours of standard MP3™ files.
Financial and business terms. 2012.