Look up CMB in Wiktionary, the free dictionary.

CMB is the cosmic microwave background, the thermal radiation left over from the time of recombination in Big Bang cosmology.

CMB may also refer to:

Science and technology

• Core–mantle boundary, lying between the Earth's silicate mantle and its metallic outer core
• Continuous marine broadcast, a type of radio station providing marine weather information to coastal areas of Canada

Arts and entertainment

• C.M.B. (album), the debut album of American R&B and pop group Color Me Badd

• Color Me Badd, American R&B and pop group

• C.M.B. (manga), a detective fiction manga by Motohiro Katoui
• CMB Televisión, a religious TV channel in Colombia
• The Cosmic Microwave Background, the debut solo album of Shiny Joe Ryan
• The Combine, the antagonistic alien empire from the Half-Life video game series

Organizations

• Cavalier Marching Band, marching band of the University of Virginia, US
• Center for Mind and Brain, cognitive neuroscience research center at the University of California, US
• China Medical Board, organization promoting medical education and research in China
• China Merchants Bank, bank headquartered in Shenzhen, China
• China Motor Bus, first motor bus company in Hong Kong
• Compagnie Maritime Belge, one of the oldest ship-owners of Antwerp, Belgium
• Compagnie Monégasque de Banque, private bank of Monaco
• Compagnie des Machines Bull, French computer manufacturer
• Union of the Belgian Metal Industry, trade union in Belgium

Other uses

• Bandaranaike International Airport (IATA code: CMB), an airport in Sri Lanka
• Cambodia, UNDP country code
• Christus Mansionem Benedicat (English: May Christ Bless This House), text written in chalk on house doors on the day of Epiphany
• Certified Mortgage Banker, a certification offered by the Mortgage Bankers Association
• Coastal Motor Boat, torpedo boats built and used by Britain in both World Wars
• Combat Medical Badge, a decoration of the United States Army

See also

• Cell and molecular biology