Governmental & Military Abbreviations and Acronyms

1. MAC
   Message Authentication Code
2. MAC
   Maximum Admissible Concentration
3. MAC
   Maintenance Allocation Chart
4. MAC
   Mid-Air Collision
5. MAC
   Military Airlift Command
6. MAC
   Mediterranean Air Command
7. MAC
   Medium Armored Car (US)
8. MAC
   Methyl Allyl Chloride
9. MAC
   Multiphase Atmospheric Chemistry (IGAC)
10. MAC
    Middle Atmosphere Cooperation (IGAC)
11. MAC
    Missions Adventure Camp
12. MAC
    MASTER-AT-ARMS CHIEF PETTY OFFICER
13. MAC
    MACHINE ACCOUNTANT CHIEF PETTY OFFICER
14. MAC
    Maintenance Action Code
15. MAC
    Mean Aerodynamic Center
16. MAC
    Months After Contract (award)
17. MAC-I
    Message Authentication Code
18. MACAE
    Michigan Association of Community and Adult Education
19. MACAF
    Mediterranean Allied Coastal Air Forces
20. MACC
    Multi-Agency Coordination Center

Last updated: May 24, 2020 — Total entries: 74,797