Noun has 2 senses

• megabyte(n = noun.quantity) m, mb - a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes;




• megabyte(n = noun.quantity) m, mb, mebibyte, mib - a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes;