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MAC

Definition from Dictionary, a free dictionary
There's night and day, brother, both sweet things; sun, moon, and stars, brother, all sweet things; there's likewise a wind on the heath. Life is very sweet, brother; who would wish to die?
George Borrow
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See also Mac, and mac

English

Acronym

MAC

  1. (chemistry) 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.
  2. (US) (military) Military Airlift Command, one of three former divisions of the airforce, the others being SAC and TAC.
  3. (computing) Media Access Control, that portion of Ethernet, 802.11 wireless, Bluetooth, FDDI, ATM, and Fiber Channel networks that controls which hardware devices have access to the media over which signals are sent.
  4. (computing) 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 a single cycle. Used extensively in implementations of digital filters, transforms and codecs.
  5. (mechanics) Mean Aerodynamic Chord.
  6. (cryptography) Message Authentication Code.

Derived terms

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