Symbol

MACCategory:Translingual lemmas#MACCategory:Translingual symbols#MACCategory:Translingual terms with redundant script codes#MACCategory:Translingual entries with incorrect language header#MACCategory:Pages with entries#MACCategory:Pages with 2 entries#MAC

1. (international standards) ISO 3166-1 alpha-3 country code for MacauCategory:English links with redundant alt parameters#MAC.Category:ISO 3166-1 alpha-3#MAC

   Synonym: MO (alpha-2)

Proper noun

MACCategory:English lemmas#MACCategory:English proper nouns#MACCategory:English uncountable nouns#MACCategory:English entries with incorrect language header#MACCategory:Pages with entries#MACCategory:Pages with 2 entries#MAC

1. (USCategory:American English#MAC militaryCategory:en:Military#MAC) Acronym of Military Airlift CommandCategory:English acronyms#MAC, formerly, one of three former divisions of the US airforce, the others being SAC and TAC.
2. Acronym of Military Armament CorporationCategory:English acronyms#MAC.
3. (UNCategory:en:United Nations#MAC) Initialism of Military Armistice CommissionCategory:English initialisms#MAC.

Noun

MAC (countable and uncountable, plural MACs)Category:English lemmas#MACCategory:English nouns#MACCategory:English uncountable nouns#MACCategory:English countable nouns#MACCategory:English countable nouns#MACCategory:English entries with incorrect language header#MACCategory:Pages with entries#MACCategory:Pages with 2 entries#MAC

1. (chemistryCategory:en:Chemistry#MAC) Initialism of maximum allowable concentrationCategory:English initialisms#MAC, the maximum concentration of a pollutant which is considered harmless to healthy adults during their working hours, assuming they breathe uncontaminated air at all other times.
2. (computer securityCategory:en:Computer security#MAC) Initialism of mandatory access controlCategory:English initialisms#MAC.
3. (networkingCategory:en:Networking#MAC) Initialism of media access controlCategory:English initialisms#MAC: the portion of Ethernet, Wi-Fi 802.11 wireless, Bluetooth, FDDI, ATM, and Fibre Channel networks that controls which hardware devices have access to the media over which signals are sent.
   • 2025 April 17, “Provider Backbone Bridging (PBB) and EVPN Integration Overview”, in Juniper Networks‎, archived from the original on 1 July 2025:

     When operating on customer MAC (C-MAC) and service MAC (S-MAC) addresses, PBB uses a new backbone MAC (B-MAC) address. The B-MAC address is added at the edge of the PBB network, that is administered by a carrier VPN or a carrier-of-carriers VPN.

     Category:English terms with quotations#MAC

4. (aviationCategory:en:Aviation#MAC) Initialism of mean aerodynamic chordCategory:English initialisms#MAC.
5. (aviationCategory:en:Aviation#MAC) Initialism of mid-air collisionCategory:English initialisms#MAC.
6. (cryptographyCategory:en:Cryptography#MAC) Initialism of message authentication codeCategory:English initialisms#MAC.
7. (militaryCategory:en:Military#MAC, nauticalCategory:en:Nautical#MAC, aviationCategory:en:Aviation#MAC, historicalCategory:English terms with historical senses#MAC) Initialism of merchant aircraft carrierCategory:English initialisms#MAC.
8. (science fictionCategory:en:Science fiction#MAC) Initialism of magnetic accelerator cannonCategory:English initialisms#MAC.
9. (UKCategory:British English#MAC, telecommunicationsCategory:en:Telecommunications#MAC) Initialism of Migration Authorisation CodeCategory:English initialisms#MAC.
10. (immunologyCategory:en:Immunology#MAC) Initialism of membrane attack complexCategory:English initialisms#MAC, a part of the complement system of the innate immune system.
11. (computingCategory:en:Computing#MAC) Initialism of multiply and accumulateCategory:English initialisms#MAC, a hardware module found in digital signal processors which performs a multiplication and adds the result of that operation to an accumulator in the same cycle, used extensively in implementations of digital filters, transforms, and codecs.
12. (microbiologyCategory:en:Microbiology#MAC) Initialism of Mycobacterium avium complexCategory:English initialisms#MAC.
13. (anesthesiology) Initialism of minimum alveolar concentrationCategory:English initialisms#MAC.
14. (anesthesiology) Initialism of monitored anesthesia careCategory:English initialisms#MAC.

Anagrams

• ACM, AMC, C.M.A., CAM, CMA, Cam, MCA, cam