noun. ['ˈmɛgəˌbaɪt'] a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes.
1. Noun, singular or mass Images under one megabyte in size work best.
noun. ['ˈmɛgəˌbaɪt'] a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes.