From Longman Dictionary of Contemporary Englishmegabytemeg‧a‧byte /ˈmeɡəbaɪt/ ●○○ noun [countable] (written abbreviation MB or Mb) LOT/LARGE NUMBER OR AMOUNTa unit for measuring computer information, equal to 1,024 kilobytes, and used less exactly to mean one million bytes
Examples from the Corpus
megabyte• The card is equipped with 1 megabyte of VideoRAM which allows up to 32,000 colours to be displayed.• The maximum is 74 minutes which is, therefore, the maximum time available to read about 650 megabytes of data.• Lisa shipped with over 1000K bytes of memory, known as a megabyte, and that was barely enough.• Lisa solved the problem by shipping with over 1,000K memory, a megabyte.• Uses can also use the catalogue program to select their put together their own disks for £8.95 per compressed megabyte.• First, they generally need very large memory stores, typically of the order of hundreds of megabytes.• In computer lingo, a million bytes is commonly referred to as one megabyte.• Additional disk space is a dollar or two per megabyte per month, depending on total amount.From Longman Business Dictionarymegabytemeg‧a‧byte /ˈmegəbaɪt/ written abbreviation MB noun [countable]COMPUTING a million BYTEs (=units of computer information, each holding one number or letter), used to talk about the amount of processing space on a computera floppy disk that holds 4 megabytes of dataa 200 megabyte hard disk 