What does MB stand for?

All India Reporter, Madhya Bharat - 1950-57 - A publication (DLA)

Bachelor of Medicine - Other than from Oxford

Bachelor of Music (WDAA)

Boston Public Library and Eastern Massachusetts Regional Public Library System, Boston, MA - Library symbol - Library of Congress (LCLS)

Countrywide - ICAO designator (AD)

Current Motorized Bicycle Permit - Motor vehicle violation driver status code in state of North Dakota (MVRD)

Machine Batch (AAEL)

Machine Bolt - Technical drawings

MacMillan Bloedel Ltd. - Associated Press (SAG)

Magnetic Bearing - Navigation

Magnetic Belt (VLIE)

Magnetic Brake - Industrial control (IEEE)

Magnetron Branch - Electronics (OA)

Magnolia Bend at Dixie Landings - Disney (DIS)

Mailbox (AAG)

Main Ballast

Main Base - Air Force (AFM)

Main Battery - Guns

Main Bus (MCD)

Maintenance Busy - Telecommunications (TEL)

Mallory Body - Medicine

Mamillary Body - Medicine (DB)

Management Baseline (NASA)

Management Board (ACII)

Manitoba - Canadian province - Postal code

Manned Base (SAUO)

March-Bender Factor - Physiology

Margin Buccal - Medicine (MAE)

Marie-Bamberger - Disease - Medicine (DB)

Marine Barracks

Marine Base

Marine Board (EA)

Maritime Board (SAUO)

Marker Beacon (PIPO)

Marker Bed (WIPP)

Market Bare - Telegraphy (PCTE)

Marketing Board (SAUO)

Mark of the Beast - Disparaging term for 19th century Protestant clerical waistcoats that had Catholic influences

Marks Banco (ROG)

Marsh-Bender - Factor - Muscle tissue

Mass Balance

Master Block (VLIE)

Matchbox - Mattel

Material Balance

May & Baker Ltd. - Great Britain - Research code symbol

MBB-UV, MBB-UD - Messerschmitt-Boelkow-Blohm, und Pneuma-Technik - Germany - ICAO aircraft manufacturer identifier (ICAO)

Measurement Base - Military

Mechanized Battalion - Army

Medal of Bravery

Medial Bilateral (Neuron) - Neuroanatomy

Median Bundle - Botany

Medical Board

Medical Branch (SAUO)

Medical Bulletin

Medicare Bureau - Health Care Financing Administration - Social Security Administration (OICC)

Medicinae Baccalaureus - Bachelor of Medicine - Latin

Medium Bomber

Medium Bronze - Numismatics

Megabar

Megabit - Binary Digit - Computer science

Megabuck - Defense industry colloquialism for one million dollars (AAG)

Megabyte - Data storage capacity - Computer science

Melt Back

Memorandum Book (ROG)

Memory Bank

Memory Buffer - Computer science

Memory Bus

Memoryless Behaviour (VLIE)

Mercedes-Benz - Automobile

Merchant Bank

Merchant Broker (RIMS)

Meridian & Bigbee Railroad Co. - Later, MBRR - AAR code

Mesiobuccal - Dentistry

Message Buffer

Message Business

Messages of the Bible - A publication

Metabisulfite - Inorganic chemistry

Metal Box - Commercial firm - British

Metal Box Co. Ltd. (SAUO)

Methyl Bromide - Organic chemistry

Methylene Blue - Organic chemistry

Metrication Board - British

Metric Board (OICC)

Microbeam - Physics

Microbiological Assay - Biochemistry (DAVI)

Microbody

Microelectronics Bibliography - A publication

Midbody

Mid Byte (ACAE)

Middle Babylonian - Language, etc. (BJA)

Middle Berth - Indian Railway (TIR)

Middle Bronze Age (BJA)

Middle Button (VLIE)

Middle of Bow - Music (ROG)

Miesbach - German license plate city code

Militia Bureau - Superseded in 1933 by National Guard Bureau

Millibar

Million Bytes - Computer science (BUR)

Milton Bradley Co. (SAUO)

Milton Bradley Ltd. - British

Milwaukee Brace - Medicine (MELL)

Minimum Bid - Philately

Ministry of Blockade (SAUO)

Misce Bene - Mix Well - Pharmacy

Miscellaneous Branch, Internal Revenue Bureau - United States (DLA)

Missed Byte - Computer science (ECII)

Missile Base - Military

Missile Body

Missile Bomber

Mixed Bed - Nuclear energy (NRCH)

Mixing Box (OA)

Mobile Base (DEN)

Model Block (MSA)

Module Balance - Computer science

Mohelbuch (BJA)

Moisture Balance

Molecular Biosystems - NYSE symbol

Molecular Biosystems, Inc. - NYSE symbol (SPSG)

Molybdenum - Chemical element (ROG)

Momentum Bias (ACAE)

Monthly Breakdown - Used in atmospheric studies

Monthly Bulletin of Decisions of the High Court of Uganda - A publication (DLA)

Months Before

Montpelier & Barre Railroad Co. - AAR code

Mooring Buoy

Morale Branch - Military

Morrell's English Bankruptcy Reports - A publication (DLA)

Mortar Board (EA)

Motor Barge (ADA)

Motor Boat

Mountain Battery - British military (DMA)

Mucosal Barrier - Medicine (MELL)

Mucosal Bleeding - Medicine (MELL)

Multiband (DEN)

Municipal Bond

Municipal Borough

Munitions Board - Abolished 1953, functions transferred to Department of Defense

Muscle Balance (SAUS)

Museum of Broadcasting

Mushroom Body - Nerve center in insects

Musicae Baccalaureus - Bachelor of Music

Music for the Blind - Defunct (EA)

Muslim Brotherhood - Jordan (BUAC)

Must Be - Sold - Classified advertising

Myocardial Band - Cardiology

Optical Fiber Mounting Bracket - Communications term (DCT)

Western Airlines - ICAO designator (AD)

Body Wave Magnitude (COE)

Megabase - A unit of molecular size

Megabit - Computer science (WDMC)

Megabyte

Myoglobin - Biochemistry, medicine

Myoglobin Tritium - Hematology (DAVI)

Black Sea and Area - MARC geographic area code - Library of Congress (LCCP)

Megabyte (ELAL)

Millibar - Unit of pressure

Millibarn - Area of nuclear cross-section

Millibyte - Computer science