macintosh, mackintosh, mac, mack
(noun) a waterproof raincoat made of rubberized fabric
Source: WordNet® 3.1
mac (plural macs)
Clipping of mackintosh.
mac (uncountable)
(North America, slang) Clipping of macaroni.
• ACM, AMC, C.M.A., CAM, CMA, Cam, MCA, cam
Mac (plural Macs)
(US, informal) Used to address a man whose name is unknown.
• (person): John
Mac
(Irish and Scottish patronymic surnames) son of.
Mac
A diminutive of the male given name Max.
Informal diminutive of Macintosh, later adopted by Apple as a trademark.
Mac (plural Macs)
A Macintosh computer (made by Apple Inc.), or its operating system.
• PC, personal computer, home computer, desktop computer, personal workstation, graphic workstation, graphics workstation
A shortening.
Mac
(informal) McMaster University
• ACM, AMC, C.M.A., CAM, CMA, Cam, MCA, cam
MAC
(US military) Acronym of Military Airlift Command, formerly, one of three former divisions of the US airforce, the others being SAC and TAC.
(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.
MAC
(chemistry) 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.
(computer security)Â Initialism of mandatory access control.
(networking) Initialism of media access control: that 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.
(mechanics) Initialism of mean aerodynamic chord.
(cryptography) Initialism of message authentication code.
(science fiction) Initialism of magnetic accelerator cannon.
(UK, telecommunications) Initialism of Migration Authorisation Code.
(immunology) Initialism of membrane attack complex, a part of the complement system of the innate immune system.
• HMAC
• ACM, AMC, C.M.A., CAM, CMA, Cam, MCA, cam
Source: Wiktionary
Mac. [Gael., son.]
Definition: A prefix, in names of Scotch origin, signifying son.
Source: Webster’s Unabridged Dictionary 1913 Edition
9 May 2025
(noun) anything in accord with principles of justice; “he feels he is in the right”; “the rightfulness of his claim”
According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.
