megabit, Mbit, Mb(noun)

a unit of information equal to 1000 kilobits or 10^6 (1,000,000) bits

megabyte, M, MB(noun)

a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes

megabyte, mebibyte, M, MB, MiB(noun)

a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes

Bachelor of Medicine, MB(noun)

(a British degree) a bachelor's degree in medicine

MB(Noun)

Bachelor of Medicine degree (Latin Medicinae Baccalaureus).

MB(Noun)

moneyboy (Chinese slang).

MB(Noun)

Megabyte (1000 kilobytes or 1000000 bytes.

MB(Noun)

Mebibyte (1024 kilobytes, computing slang, actually MiB).

MB(Noun)

Motherboard.

MB(ProperNoun)

Manitoba, a province of Canada.