Definition of megabyte noun from the Oxford Advanced Learner's Dictionary

     

    megabyte

     noun
    noun
    BrE BrE//ˈmeɡəbaɪt//
     
    ; NAmE NAmE//ˈmeɡəbaɪt//
     
    (informal meg)(abbreviation MB)(computing) Computer hardware
     
    jump to other results
  1. 1a unit of computer memory or data, equal to 10 6, or 1 000 2, (= 1 000 000) bytes a 512-megabyte flash drive See related entries: Computer hardware
  2. 2(also mebibyte) a unit of computer memory or data, equal to 2 20, or 1 024 2, (= 1 048 576) bytes See related entries: Computer hardware
See the Oxford Advanced American Dictionary entry: megabyte