MAC

Macintosh Apple Computer
Macro Authentication Code
Mammalian Artificial Chromosome
Mandatory Access Control
Makeup Art Cosmetics
Master of Acupuncture
Maximum Allowable Concentration
Mean Aerodynamic Chord
Media Access Control
Membrane Attack Complex
Merchant Aircraft Carrier
Message Authentication Code
Metropolitan Airports Commission
Michigan Aerospace Corporation
Michigan Agricultural College
Mid-American Conference
Middle Atlantic Conference
Midlands Arts Centre
Migration Authorisation Code
Military Airlift Command
Minimum Alveolar Concentration
Mobile Advisory Council
Modification, Access, and Change
Money Access Center
Monitor, Alarm and Control
Multiplexed Analogue Components
Multiply-Accumulate
Musical Arts Conference
Mudiad Amddiffyn Cymru