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English definition of “megabyte”

megabyte

noun [C]     /ˈmeɡəbaɪt/ (abbreviation MB, Mbyte, also informal meg) IT
a unit used for measuring the amount of information that a computer disk can store, or the size of a computer file: a 512-megabyte USB flash drive Memory comes on 64 meg smart cards.
(Definition of megabyte noun from the Cambridge Business English Dictionary © Cambridge University Press)
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