1. A unit of information equal to 1000 kilobits or 10^6 (1,000,000) bits
   - megabit, Mbit

1. [Brit] (a British degree) a bachelor's degree in medicine
   - Bachelor of Medicine [Brit, Cdn]
    
2. A unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes
   "The photo took up several MBs of storage";
   - megabyte, M
    
3. A unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes
   "The document was about 5 MBs in size";
   - megabyte, mebibyte, M, MiB

Derived forms: MBs, Mbs

Type of: baccalaureate, bachelor's degree, computer memory unit

Part of: G, Gb, Gbit, GiB, gibibyte, gig [informal], gigabit, gigabyte

Encyclopedia: Mb