mac

noun

1. (abbreviation, alt-of, clipping)Clipping of mackintosh (“a raincoat”).

   “Standing in the dock at Southampton / Trying to get to Holland or France / The man in the mac said / You've got to go back / You know they didn't even give us a chance”

2. (Australia, Canada, UK, US, derogatory, ethnic, offensive, slang, slur)A person of Scottish descent (used in driving culture to denigrate someone for poor/slow/amateurish driving responses).
3. (Canada, US, abbreviation, alt-of, clipping, slang, uncountable)Clipping of macaroni.

   “Is there any mac and cheese left?”

   “Who wrote "kick me" on my back? Who put a spider in my mac?”

   “Nothing tastes better to me than a big ol' bowl of super creamy, cheesy mac!”

4. (US, informal)Used to address a man whose name is unknown.

   “Have you got a light, Mac?”

   “TIME was, the stereotypical New York cabdriver was a gabby if slightly gruff man with a Brooklyn accent who knew every pothole in every street in every borough and greeted people with the world-weary query, "Where to, Mac?"”

5. A Macintosh computer (made by Apple Inc.).

   “Although our Macs served us well, in those early, dark years Macintosh users were effectively excommunicated by the computer establishment.”

   “Built by Matthew Weed, a blind political science and history major, and Victor Grigorieff, a computer science and psychology major, the system is based on a Macintosh IIfx, although it can run on earlier models, since each Mac program has a similar interface.”

   “Apple, IBM, and Motorola have teamed up to produce this 32-bit chip that will be used in future Apple Macintoshes and IBM PCs. PowerPC systems will run Mac or Unix programs, and possibly Windows software in the future.”

   “If you invest the time to learn one Windows or Mac program, you'll automatically have mastered the basic skills to use hundreds of others.”

   “As this shift accelerates, finding software that works with a particular operating system will be less of a concern. People will be able to base decisions about which OS to use strictly on merit, and on personal preference. For me, if the choice is between struggling to configure every feature and being able to boot up and get to work, at long last I choose the Mac.”

6. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of maximum allowable concentration, 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.
7. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of mandatory access control.
8. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of media access control: 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.

   “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.”

9. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of mean aerodynamic chord.
10. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of mid-air collision.
11. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of message authentication code.
12. (abbreviation, alt-of, countable, historical, initialism, uncountable)Initialism of merchant aircraft carrier.
13. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of magnetic accelerator cannon.
14. (UK, abbreviation, alt-of, countable, initialism, uncountable)Initialism of Migration Authorisation Code.
15. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of membrane attack complex, a part of the complement system of the innate immune system.
16. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of multiply and accumulate, 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.
17. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of Mycobacterium avium complex.
18. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of minimum alveolar concentration.
19. (abbreviation, alt-of, countable, initialism, uncountable)Initialism of monitored anesthesia care.

name

1. A diminutive of the male given name Max.
2. (Canada, US)A diminutive for a person with a surname that starts with "Mac" or "Mc".
3. (informal)McMaster University
4. (Singapore, slang)McDonald's
5. (US, abbreviation, acronym, alt-of)Acronym of Military Airlift Command, formerly, one of three former divisions of the US airforce, the others being SAC and TAC.
6. (abbreviation, acronym, alt-of)Acronym of Military Armament Corporation.
7. (abbreviation, alt-of, initialism)Initialism of Military Armistice Commission.