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Mac or MAC most commonly refers to: *
Mac (computer) The Mac (known as Macintosh until 1999) is a family of personal computers designed and marketed by Apple Inc., Apple Inc. Macs are known for their ease of use and minimalist designs, and are popular among students, creative professionals, and ...
, a family of personal computers made by Apple Inc. *
Mackintosh The Mackintosh or raincoat (abbreviated as mac) is a form of waterproof raincoat, first sold in 1824, made of rubberised fabric. The Mackintosh is named after its Scottish inventor Charles Macintosh, although many writers added a letter ''k' ...
, a raincoat made of rubberized cloth * A variant of the word
macaroni Macaroni (, Italian: maccheroni) is dry pasta shaped like narrow tubes.Oxford DictionaryMacaroni/ref> Made with durum wheat, macaroni is commonly cut in short lengths; curved macaroni may be referred to as elbow macaroni. Some home machines ...
, mostly used in the name of the dish
mac and cheese Macaroni and cheese (also called mac and cheese in Canada and the United States and macaroni cheese in the United KingdomBBC, RecipesMacaroni Cheese/ref>) is a dish of cooked macaroni pasta and a cheese sauce, most commonly Cheddar sauce. The t ...
* Mac, Gaelic for "son", a prefix to family names often appearing in Gaelic names Mac or MAC may also refer to:


Arts, entertainment, and media


Fictional entities

* Mac (''Green Wing''), a television character * Mac (''It's Always Sunny in Philadelphia''), a television character *
Mac Gargan MacDonald "Mac" Gargan is a supervillain appearing in American comic books published by Marvel Comics. The character is usually depicted as an adversary of the superhero Spider-Man. Created by Stan Lee and Steve Ditko, he first appeared in ''The ...
, an enemy of Spider-Man * Mac Foster, a character on ''Foster's Home for Imaginary Friends'' * Angus "Mac"
MacGyver Angus "Mac" MacGyver is the title character and the protagonist in the TV series ''MacGyver''. He is played by Richard Dean Anderson in the 1985 original series. Lucas Till portrays a younger version of MacGyver in the 2016 reboot. In both po ...
, from the television series ''MacGyver'' * Cindy "Mac" Mackenzie, from the TV series ''Veronica Mars'' * Lt. Col.
Sarah MacKenzie Sarah "Mac" MacKenzie is a fictional character and lead role in the American television series '' JAG'', played by Catherine Bell. The character was created by Donald P. Bellisario, as a work for hire for Paramount Television, in the script for ...
, from the TV series ''JAG'' *
Dr. Terrence McAfferty A cherub (; plural cherubim; he, כְּרוּב ''kərūḇ'', pl. ''kərūḇīm'', likely borrowed from a derived form of akk, 𒅗𒊏𒁍 ''karabu'' "to bless" such as ''karibu'', "one who blesses", a name for the lamassu) is one of the u ...
, from Robert Muchamore's ''CHERUB'' and ''Henderson's Boys'' novel series * "Mac" McAnnally, in ''The Dresden Files'' series *
Randle McMurphy Randle Patrick "Mac" McMurphy (also known as R.P. McMurphy) is the protagonist of Ken Kesey's novel ''One Flew Over the Cuckoo's Nest (novel), One Flew Over the Cuckoo's Nest'' (1962). He appears in the One Flew Over the Cuckoo's Nest (play), stag ...
, in the movie ''One Flew Over the Cuckoo's Nest'' *
Mac Taylor Detective Mac Taylor is a fictional character and the co-protagonist of the CBS crime drama ''CSI: NY''. Portrayed by Gary Sinise, Mac is the Director of the NYPD Crime Lab and the Supervisor of the NYPD CSI team. Mac appeared in 200 episodes of ...
, from the TV series ''CSI: NY'' * Mac, a canine character in the television series ''
Clifford the Big Red Dog ''Clifford the Big Red Dog'' is an American children's book series about the adventures of a precocious girl named Emily Elizabeth and her titular pet: a giant, red-furred dog named Clifford. It was first published in 1963 and was written by No ...
'' * Monster Attack Crew, a fictional pilot squadron in the television series ''
Ultraman Leo is a Japanese tokusatsu TV show and is the 7th show in the Ultra Series. Produced by Tsuburaya Productions and Steve Krantz Productions, Ultraman Leo was aired between April 12, 1974, and March 28, 1975, with a total of 51 episodes. Tatsumi Nikam ...
'' * MAC (Mysterious Alien Creature), the titular character in the 1988 film ''
Mac and Me ''Mac and Me'' is a 1988 American comic science fiction film cowritten (with Steve Feke) and directed by Stewart Raffill. Starring Christine Ebersole, Jonathan Ward, and Tina Caspary alongside Lauren Stanley and Jade Calegory, it centers on a "M ...
''


Other uses in arts, entertainment, and media

* ''Mac'' (film), 1992 directed by and starring John Turturro * ''Mac'' (novel), by John MacLean * Mac, a Sports Beanie Baby cardinal produced by Ty, Inc. in 1999 *
MAC Awards The MAC Awards, established in 1986, are presented annually to honor achievements in cabaret, comedy and jazz. They are administered by the non-profit Manhattan Association of Cabarets & Clubs (MAC), founded in 1983, and voted on by the MAC member ...
, for achievements in cabaret, comedy, and jazz, administered by the Manhattan Association of Cabarets & Clubs *
Mac the Moose ''Mac the Moose'' is a steel and concrete sculpture of a moose in Moose Jaw, Saskatchewan. It is on the grounds of Moose Jaw's visitors' center, on the corner of E Thatcher Drive and the Trans-Canada Highway. It is claimed to be the world's large ...
, a public statue in Moose Jaw, Saskatchewan, Canada; formerly the ''World's Largest Moose''


Business and economics

* Marginal Abatement Cost, a concept in environmental economics *
Material adverse change In the fields of mergers and acquisitions and corporate finance, a material adverse change (abbreviated MAC), material adverse event (MAE), or material adverse effect (also MAE) is a change in circumstances that significantly reduces the value of a ...
, a provision in mergers and acquisitions contracts and venture financing agreements


Organizations


Businesses

*
MAC Cosmetics MAC Cosmetics, stylized as M·A·C, is a Canadian cosmetics manufacturer founded in Toronto, Canada in 1984 by Frank Toskan and Frank Angelo. The company is headquartered in New York City after becoming a subsidiary of Estée Lauder Companies i ...
, a cosmetics brand, stylized as M•A•C *
Mac Para Technology Mac Para Technology s.r.o. is a Czech aircraft manufacturer based in Rožnov pod Radhoštěm and founded by Peter Recek. The company specializes in the design and manufacture of paragliders and paramotor wings, in the form of ready-to-fly aircr ...
, a Czech aircraft manufacturer *
Macerich Macerich ( ) is a real estate investment trust that invests in shopping centers. It is the third-largest owner and operator of shopping centers in the United States. As of December 31, 2020, the company owned interests in 52 properties comprisi ...
, an American real estate investment trust (NYSE stock symbol MAC) *
Manufacture d'armes de Châtellerault The ''Manufacture d'Armes de Châtellerault'' ("Châtellerault Weapons Factory"), often abbreviated to MAC, was a French state-owned weapons manufacturer in the town of Châtellerault, Vienne. It was created by a royal decree of 14 July 1819 ...
, a French state arms manufacturer *
Martin's Air Charter Martinair (legally ''Martinair Holland N.V.'') is a Dutch cargo airline headquartered and based at Amsterdam Airport Schiphol and a subsidiary of Air France–KLM. The airline was founded in 1958 by Martin Schröder. Since 2011, Martinair has op ...
, now Martinair, an airline *
Morgan Advanced Ceramics Morgan Advanced Materials is a company which manufactures specialist products, using carbon, advanced ceramics and composites. The company is headquartered in Windsor, United Kingdom, and has 85 sites across 30 countries. A public limited compa ...
, a ceramics manufacturing company


Government and military agencies

*
Mainland Affairs Council The Mainland Affairs Council (MAC) is a cabinet-level administrative agency under the Executive Yuan of the Republic of China in Taiwan. The MAC is responsible for the planning, development, and implementation of the cross-strait relations po ...
, an agency under the Executive Yuan of the Republic of China * Medicare Administrative Contractor, a private company contracted to administer Medicare benefits in the U.S. *
Metropolitan Airports Commission The Minneapolis-Saint Paul Metropolitan Airports Commission (MAC) is the airport authority, owner and operator of Minneapolis-Saint Paul International Airport in Minnesota as well as six other reliever airports in the Minneapolis-St. Paul, Twin Ci ...
, the operator of airports in the Minneapolis-St. Paul area * Military Affairs Commission in China; see
Central Military Commission (People's Republic of China) The Central Military Commission (CMC) is the highest national defense organization in the People's Republic of China. It operates within the Chinese Communist Party (CCP) under the name "Central Military Commission of the Communist Party ...
*
Military Airlift Command The Military Airlift Command (MAC) is an inactive United States Air Force major command (MAJCOM) that was headquartered at Scott Air Force Base, Illinois. Established on 1 January 1966, MAC was the primary strategic airlift organization of the ...
, the predecessor of the Air Mobility Command of the United States Air Force *
Municipal Assistance Corporation A Municipal Assistance Corporation (MAC) was an independent New York State public-benefit corporation created by the State of New York for purposes of providing financing assistance and fiscal oversight of a fiscally-distressed city. Two MACs are ...
, created by the State of New York in 1975 to deal with New York City's fiscal crisis


Non-profit organizations

*
mac (Birmingham) MAC (stylized as mac) (formerly Midlands Arts Centre) is a non-profit arts centre situated in Cannon Hill Park, Edgbaston, Birmingham, England. It was established in 1962 and is registered as an educational charity which hosts art exhibitions, ...
, formerly known as the Midlands Arts Centre, in Birmingham, UK *
Malaysian AIDS Council Malaysian AIDS Council ( ms, Majlis AIDS Malaysia, abbrev: MAC) was established in 1992 under the Ministry of Health (MOH) with a mission to represent, mobilise and strengthen non-governmental organisations and communities who were working wi ...
*
Marine Aquarium Council The Marine Aquarium Council (MAC) was a non-profit stewardship organization based in Los Angeles, California. Established to provide education and certification to fisheries of ornamental marine aquarium fish, as well as facilitate the supply of ec ...
*
Myanmar Accountancy Council The Myanmar Accountancy Council ( my, မြန်မာနိုင်ငံစာရင်းကောင်စီ; abbreviated MAC) is the national professional accounting body of Burma (Myanmar). MAC began as the Burma Accountancy Council (BAC), ...


Political groups

* ''
Mouvement d'Action Civique Mouvement d'Action Civique was a minor far-right political movement in Belgium during the 1960s. The origins of the MAC lay in the 1960 independence of the Belgian Congo and the resulting Congo Crisis which saw the vast majority of white colonials, ...
'', a defunct Belgian far right group * ''
Mouvement Autonome Casamançais Casamancian Autonomous Movement (in French language, French: ''Mouvement Autonome Casamançais'') was a political party in Casamance, southern Senegal. MAC was led by Assane Seck. MAC was initially linked to French Section of the Workers' Intern ...
'' (Casamancian Autonomous Movement), a defunct political party in Casamance, Senegal * ''
Mudiad Amddiffyn Cymru Mudiad Amddiffyn Cymru (, ''Movement for the Defence of Wales''), abbreviated as MAC, was a paramilitary Welsh nationalist organisation, which was responsible for a number of bombing incidents between 1963 and 1969. The group's activities primar ...
'', a Welsh organization responsible for several bombing incidents *
Muslims Against Crusades Muslims Against Crusades (abbreviated MAC) is a banned radical Islamist group in the United Kingdom. The group was founded in 2010 by Abu Assadullah. Professional boxer Anthony Small and Islam4UK spokesman Anjem Choudary are associated with the g ...
, a UK-based Islamic group noted for burning poppies during the Remembrance Day silence in 2010


Schools

*
Macdonald Campus The Macdonald Campus of McGill University (commonly referred to as the ‘Mac Campus’ or simply ’Mac’) houses McGill's Faculty of Agricultural and Environmental Sciences (FAES), which includes the Institute of Parasitology, the School of Huma ...
of McGill University, Canada *
McMaster University McMaster University (McMaster or Mac) is a public research university in Hamilton, Ontario, Canada. The main McMaster campus is on of land near the residential neighbourhoods of Ainslie Wood and Westdale, adjacent to the Royal Botanical Ga ...
, in Canada *
Michigan Agricultural College Michigan State University (Michigan State, MSU) is a public land-grant research university in East Lansing, Michigan. It was founded in 1855 as the Agricultural College of the State of Michigan, the first of its kind in the United States. It i ...
, former name of Michigan State University


Sports organizations


Clubs and teams

*
Maranhão Atlético Clube Maranhão Atlético Clube, usually known as Maranhão or MAC, is a Brazilian football club from São Luís, Maranhão state. They are currently ranked fifth among Maranhão teams in CBF's national club ranking, at 166th place overall. Histor ...
, a Brazilian association football club *
Marília Atlético Clube Marília Atlético Clube, commonly referred to as Marília, is a Brazilian professional association football club based in Marília, São Paulo. The team competes in the Campeonato Paulista Série A3, the third tier of the São Paulo state foot ...
, a Brazilian association football club *
Missouri Athletic Club The Missouri Athletic Club (often referred to as the MAC), founded in 1903, is a private city and athletic club with two locations. The Downtown Clubhouse is in Downtown St. Louis, Missouri, USA and the West Clubhouse is located in the St. L ...
, a traditional gentlemen's and athletic club in downtown St. Louis, Missouri *
Multnomah Athletic Club The Multnomah Athletic Club is a Social club, private social and Sports club, athletic club in Portland, Oregon, United States. Located in the Goose Hollow, Portland, Oregon, Goose Hollow neighborhood, it was originally founded in 1891 as the M ...
, a private athletic club in Oregon


Conferences

*
Macomb Area Conference The Macomb Area Conference (abbreviated to MAC) (formerly known as the Macomb Athletic Conference) is a high school sports league located in Southeastern Michigan. It is a member of the Michigan High School Athletic Association (MHSAA). There are ...
, a Michigan high school football conference * Mayflower Athletic Conference, a high school athletic conference in
Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...
*
Mid-American Conference The Mid-American Conference (MAC) is a National Collegiate Athletic Association (NCAA) Division I collegiate athletic conference with a membership base in the Great Lakes region that stretches from Western New York to Illinois. Nine of the twel ...
, an NCAA Division I (Football Bowl Subdivision) sports conference *
Mid-Atlantic Athletic Conference The Mid-Atlantic Athletic Conference (MAC) is an American high school athletic league composed of private schools in the Washington, D.C. area. The conference was founded in 1994. Solely male teams participate in the conference. As every member s ...
, a Washington, D.C., area high school athletic league * Mid-Atlantic Rifle Conference, an NCAA rifle-only conference *
Midwest Athletic Conference The Midwest Athletic Conference is an OHSAA athletic league located in west-central Ohio formed in 1972. The Midwest Athletic Conference (MAC) is among the elite small school conferences in the nation. Touted as one of the toughest, if not the tough ...
, an Ohio high school athletic conference in west-central Ohio *
Middle Atlantic Conferences The Middle Atlantic Conferences (MAC) is an umbrella organization of three college athletic conference, athletic conferences that competes in the National Collegiate Athletic Association, NCAA's NCAA Division III, Division III. The 18 member colle ...
, an umbrella organization for three NCAA Division III sports conferences **
Middle Atlantic Conference The Middle Atlantic Conferences (MAC) is an umbrella organization of three athletic conferences that competes in the NCAA's Division III. The 18 member colleges are in the Mid-Atlantic United States. The organization is divided into two main con ...
, one of the three conferences of the above, used to organize competition in some sports *
Mississippi Athletic Conference The Mississippi Athletic Conference (MAC Conference, or MAC) is a high school athletic conference whose members are located in the Iowa Quad-Cities, plus three other schools in eastern Iowa. Member schools There are ten full members of the Missis ...
, a high school sports conference in the Iowa Quad Cities *
Mountain Athletic Conference (NCHSAA) The Western Mountain Athletic Conference (WMAC) is a 3A North Carolina High School Athletic Association conference which operates in the western region of North Carolina North Carolina () is a state in the Southeastern region of the Unit ...
, a North Carolina high school athletic conference *
Mountain Athletic Conference (PIAA) This conference no longer exists. The Mountain Athletic Conference or (''MAC'') or sometimes just referred to as the ''Mountain Conference'' is a high school athletic conference with the Pennsylvania Interscholastic Athletic Association (PIAA) ...
, a Pennsylvania high school athletic conference


People


Names

* Mac, Gaelic for "son", a prefix to family names often appearing in Irish and Scottish names *
Mac (nickname) As a nickname, Mac may refer to: *McGeorge Bundy (1919–1996), United States National Security Advisor to Presidents John F. Kennedy and Lyndon B. Johnson * Mac Brandt (born 1980), American actor *Mac Cody (born 1972), American National Football L ...
*
Mạc (surname) Mạc ( Hán tự: 莫) is a Vietnamese surname. The name is transliterated as Mo in Chinese and Mua in Hmong language. It is also of Gaelic origin, meaning son, used as a prefix in many Irish and Scottish surnames e.g. MacDonald, and MacGre ...
, Anglicized surname or Mạc (Vietnamese surname) *
Mạc dynasty The Mạc dynasty ( vi, Nhà Mạc / ''Mạc triều''; Hán Nôm: 茹莫 / 莫 朝) (1527-1627), as known as House of Mạc ruled the whole of Đại Việt between 1527 and 1540 and the northern part of the country from 1540 until 1593, and ...
, 16th-century rulers in Vietnam


People with the nickname or professional name

*
Mac (rapper) McKinley Phipps, Jr. (born July 30, 1977), better known simply as Mac, is an American rapper and songwriter from New Orleans' 3rd Ward. Mac began rapping as a child, releasing his debut album ''The Lyrical Midget'' at the age of 13 in 1990, unde ...
(born 1977), American rapper, stage name of McKinley Phipps Jr * MC Mac, member and musician of
So Solid Crew So Solid Crew are a British UK garage and hip hop collective originating from the area on and surrounding the Winstanley and York Road Estates in Battersea, London which achieved wide success in the early 2000s. The group consisted of many m ...
*
Derek McCulloch Derek Ivor Breashur McCulloch Order of the British Empire, OBE (18 November 1897 – 1 June 1967) was a BBC Radio producer and presenter. He became known as "Uncle Mac" on ''Children's Hour'' and ''Children's Favourites'' and provided the voice ...
(1897–1967), British radio broadcaster known as "Uncle Mac" *
Ian McCulloch (singer) Ian Stephen McCulloch (born 5 May 1959) is an English singer-songwriter and musician, best known as the lead vocalist of the rock band Echo & the Bunnymen. Career McCulloch was a singer-songwriter with the Crucial Three, one of many local b ...
(born 1959), commonly referred to as "Mac the Mouth" or just "Mac" *
Stanley McMurtry Stanley McMurtry MBE (born 4 May 1936), known by his pen name Mac, is a British editorial cartoonist. McMurtry is best known for his controversial work for the British '' Daily Mail'' newspaper from 1971 to 2018. Career McMurtry was born in Ed ...
(born 1936), British cartoonist with the pen name "Mac"


Places


Inhabited places

*
Fort McMurray Fort McMurray ( ) is an urban service area in the Regional Municipality of Wood Buffalo in Alberta, Canada. It is located in northeast Alberta, in the middle of the Athabasca oil sands, surrounded by boreal forest. It has played a significant ...
, Alberta, Canada, nicknamed "Fort Mac" *
Macau Macau or Macao (; ; ; ), officially the Macao Special Administrative Region of the People's Republic of China (MSAR), is a city and special administrative region of China in the western Pearl River Delta by the South China Sea. With a pop ...
, a special administrative region of the People's Republic of China, ISO 3166 code MAC *
Macedonia (disambiguation) Macedonia most commonly refers to: * North Macedonia, a country in southeastern Europe, known until 2019 as the Republic of Macedonia * Macedonia (ancient kingdom), a kingdom in Greek antiquity * Macedonia (Greece), a traditional geographic reg ...
, various places


Museums and arts centers

*
mac (Birmingham) MAC (stylized as mac) (formerly Midlands Arts Centre) is a non-profit arts centre situated in Cannon Hill Park, Edgbaston, Birmingham, England. It was established in 1962 and is registered as an educational charity which hosts art exhibitions, ...
, formerly known as the Midlands Arts Centre, in Birmingham, UK *
Metropolitan Arts Centre The Metropolitan Arts Centre, usually referred to as the MAC, is an arts venue in Belfast's Cathedral Quarter and is home to all kinds of exhibitions, theatre performances, experimental works. The MAC is a cultural hub and a vital shared space ...
, Belfast, UK *
Archaeology Museum of Catalonia The Archaeology Museum of Catalonia ( ca, Museu d'Arqueologia de Catalunya, MAC) is an archaeological museum with five venues that exposes the most important archaeological collection of Catalonia, focusing on prehistoric times and ancient history ...
(''Museu d'Arqueologia de Catalunya''), an archaeology museum in Catalonia, Spain *
Niterói Contemporary Art Museum The Niterói Contemporary Art Museum (''Museu de Arte Contemporânea de Niterói'' — MAC) is situated in the city of Niterói, Rio de Janeiro (state), Rio de Janeiro, Brazil, and is one of the city’s main landmarks. It was completed in 1996 ...
(''Museu de Arte Contemporânea de Niterói''), a museum in Niterói, Brazil


Other facilities

*
Macomb (Amtrak station) Macomb station is an Amtrak intercity train station in Macomb, Illinois, United States. There is one daily morning train to Chicago. In the evening, the return train continues on to Quincy, Illinois, Quincy, Illinois Illinois ( ) is a st ...
, Illinois, United States, Amtrak station code MAC *
UCLA Marina Aquatic Center The UCLA Marina Aquatic Center (or MAC) is a waterfront recreation facility located in Marina del Rey, California at the northeastern end of the Entrance Channel, which is owned and operated by the University of California, Los Angeles. The MAC, w ...
, a recreational facility in Marina del Rey, California


Science and technology


Biology and medicine

* MAC (chemotherapy), a chemotherapy regimen of Mitoxantrone and Ara-C * Maximum allowable concentration, a concept related to threshold limit value (TLV) *
Membrane attack complex The membrane attack complex (MAC) or terminal complement complex (TCC) is a complex of proteins typically formed on the surface of pathogen cell membranes as a result of the activation of the host's complement system, and as such is an effector ...
, an immune system function using complement *
Microbiota-accessible carbohydrates Microbiota-accessible carbohydrates (MACs) are carbohydrates that are resistant to digestion by a host's metabolism, and are made available for gut microbes, as prebiotics, to ferment or metabolize into beneficial compounds, such as short chain fa ...
, a category of carbohydrates consumed by gut microbes *
Minimum alveolar concentration Minimum alveolar concentration or MAC is the concentration, often expressed as a percentage by volume, of a vapour in the alveoli of the lungs that is needed to prevent movement (motor response) in 50% of subjects in response to surgical (pain) sti ...
, a measure used to compare the strengths of anesthetic vapors *
Mitochondrial apoptosis-induced channel The mitochondrial apoptosis-induced channel (or MAC), is an early marker of the onset of apoptosis. This ion channel is formed on the outer mitochondrial membrane in response to certain apoptotic stimuli. MAC activity is detected by patch clampi ...
, the cytochrome c release pore of apoptotic mitochondria * Monitored anesthesia care, a form of anesthesia with partial awareness *
Mycobacterium avium complex ''Mycobacterium avium ''complex is a group of mycobacteria comprising ''Mycobacterium intracellulare'' and ''Mycobacterium avium'' that are commonly grouped because they infect humans together; this group, in turn, is part of the group of nontub ...
, a group of environmental pathogens


Computing and telecommunication

*
MAC address A media access control address (MAC address) is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. This use is common in most IEEE 802 networking techno ...
, or Ethernet Hardware Address (EHA), the OSI layer 2 address of network interfaces * .mac, a file extension for macros in
Agilent ChemStation Agilent ChemStation is a software package to control Agilent liquid chromatography, gas chromatography, and Ultraviolet–visible_spectroscopy , ultraviolet-visible spectroscopy systems such as the 1050, 1100 and 1200 Series HPLC system and the 8 ...
software *
Mac (computer) The Mac (known as Macintosh until 1999) is a family of personal computers designed and marketed by Apple Inc., Apple Inc. Macs are known for their ease of use and minimalist designs, and are popular among students, creative professionals, and ...
, a brand of computers and computer operating systems made by Apple Inc. **
macOS macOS (; previously OS X and originally Mac OS X) is a Unix operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop and lapt ...
, formerly Mac OS X and OS X, Apple's current operating system for the Macintosh **
Classic Mac OS Mac OS (originally System Software; retronym: Classic Mac OS) is the series of operating systems developed for the Macintosh family of personal computers by Apple Computer from 1984 to 2001, starting with System 1 and ending with Mac OS 9. The ...
, the original operating system for Apple's Macintosh **
.Mac MobileMe (branded iTools between 2000 and 2002; .Mac until 2008) is a discontinued subscription-based collection of online services and software offered by Apple Inc. All services were gradually transitioned to and eventually replaced by the ...
, now iCloud, a subscription service by Apple *
MAC times MAC times are pieces of file system metadata which record when certain events pertaining to a computer file occurred most recently. The events are usually described as "modification" (the data in the file was modified), "access" (some part of the f ...
, metadata which record times of events associated with a computer file *
Mandatory access control In computer security, mandatory access control (MAC) refers to a type of access control by which the operating system or database constrains the ability of a ''subject'' or ''initiator'' to access or generally perform some sort of operation on a ...
, a type of access control in computer security *
Maximum activate count Row hammer (also written as rowhammer) is a security exploit that takes advantage of an unintended and undesirable side effect in dynamic random-access memory (DRAM) in which memory cell (computing), memory cells interact electrically between th ...
, a parameter associated with the LPDDR4 memory's TRR feature that mitigates the row hammer effect *
Medium access control In IEEE 802 LAN/MAN standards, the medium access control (MAC, also called media access control) sublayer is the layer that controls the hardware responsible for interaction with the wired, optical or wireless transmission medium. The MAC sublay ...
(often "Media Access Control"), a sublayer of the Data Link layer *
Message authentication code In cryptography, a message authentication code (MAC), sometimes known as a ''tag'', is a short piece of information used for authenticating a message. In other words, to confirm that the message came from the stated sender (its authenticity) and ...
, used to authenticate a message in cryptography *
Migration Authorisation Code In the United Kingdom a Migration Authorisation Code (MAC) was a 17 to 19-character unique identifier code used by DSL customers when they wish to switch internet service provider (ISP). A MAC is generated by the actual telecommunication provide ...
, a unique code used when switching between DSL Internet service providers in the UK *
Multiplexed Analogue Components Multiplexed Analogue Components (MAC) was an analog television standard where luminance and chrominance components were transmitted separately. This was an evolution from older color TV systems (such as PAL or SECAM) where there was interferen ...
, a proposed satellite television transmission standard *
Multiply–accumulate operation In computing, especially digital signal processing, the multiply–accumulate (MAC) or multiply-add (MAD) operation is a common step that computes the product of two numbers and adds that product to an accumulator. The hardware unit that performs ...
, or multiplier–accumulator, in digital signal processing


Transportation

*
Mean aerodynamic chord In aeronautics, the chord is an imaginary straight line joining the leading edge and trailing edge of an aerofoil. The chord length is the distance between the trailing edge and the point where the chord intersects the leading edge.L. J. Clan ...
, a measure of the geometry of an airfoil *
Merchant aircraft carrier A merchant aircraft carrier (also known as a MAC ship, the Admiralty's official 'short name') was a limited-purpose aircraft carrier operated under British and Dutch civilian registry during World War II. MAC ships were adapted by adding a flig ...
, used during World War II by Britain and the Netherlands *
Mid-air collision In aviation, a mid-air collision is an aviation accident, accident in which two or more aircraft come into unplanned contact during flight. Owing to the relatively high velocities involved and the likelihood of subsequent impact with the ground o ...
, a type of aircraft accident


Weapons

*
Mac-10 The Military Armament Corporation Model 10, officially abbreviated as "M10" or "M-10", and more commonly known as the MAC-10, is a compact, blowback operated machine pistol/submachine gun that was developed by Gordon B. Ingram in 1964. It is ...
(Military Armament Corporation Model 10, officially the M10), a compact, blowback-operated machine pistol *
Mac-11 The MAC-11 (''Military Armament Corporation'' Model 11) is a machine pistol developed by American firearm designer Gordon Ingram at the Military Armament Corporation (MAC) during the 1970s in Powder Springs, Georgia, United States. The weapon is a ...
, a sub-compact version of the Model 10 machine pistol


Other uses in science and technology

*
Mission assurance Mission Assurance is a full life-cycle engineering process to identify and mitigate design, production, test, and field support deficiencies threatening mission success. Aspects of Mission Assurance Mission Assurance includes the disciplined app ...
, an engineering process * MAC (Money Access Card), an ATM (automated teller machine) card


Other uses

*
MAC Award The Hermann Trophy is awarded annually by the Missouri Athletic Club to the United States's top men's and women's college soccer players. History In 1967, Bob Hermann, the president of the National Professional Soccer League (1967), National ...
, or Hermann Trophy, the highest award in American college soccer *
Mackintosh The Mackintosh or raincoat (abbreviated as mac) is a form of waterproof raincoat, first sold in 1824, made of rubberised fabric. The Mackintosh is named after its Scottish inventor Charles Macintosh, although many writers added a letter ''k' ...
, a raincoat made of rubberized cloth *
Modern Army Combatives Combatives is the term for hand-to-hand combat training and techniques within the Army branch of the United States military. History Sometimes called Close-Quarters Combat (CQC or close combat), World War II-era American combatives were large ...
, a hand-to-hand combat training regimen *
Material adequacy condition A semantic theory of truth is a theory of truth in the philosophy of language which holds that truth is a property of sentences. Origin The semantic conception of truth, which is related in different ways to both the correspondence and deflation ...
, a concept in the philosophies of logic and language


See also

*
Big Mac (disambiguation) A Big Mac is a hamburger from the fast food chain McDonald's. Big Mac may also refer to: People *Big Mac (nickname), a list of people with the nickname Arts, entertainment, and media Fictional entities *Big Mac (Casualty), Big Mac (''Casualty''), ...
*
Little Mac (disambiguation) Little Mac is the main character from the ''Punch-Out!!'' video game series. Little Mac may also refer to: People * George B. McClellan (1826–1885), American Civil War general and politician * Joe McEwing (born 1973), American former Major Leagu ...
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McIntosh (disambiguation) McIntosh, Macintosh, or Mackintosh (Scottish Gaelic, Gaelic: ') may refer to: Products and brands * Mackintosh, a form of waterproof raincoat * Mackintosh's or John Mackintosh and Co., later Rowntree Mackintosh, former UK confectionery company now ...
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Macaroni Macaroni (, Italian: maccheroni) is dry pasta shaped like narrow tubes.Oxford DictionaryMacaroni/ref> Made with durum wheat, macaroni is commonly cut in short lengths; curved macaroni may be referred to as elbow macaroni. Some home machines ...
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Macaroni and cheese Macaroni and cheese (also called mac and cheese in Canada and the United States and macaroni cheese in the United KingdomBBC, RecipesMacaroni Cheese/ref>) is a dish of cooked macaroni pasta and a cheese sauce, most commonly Cheddar sauce. The ...
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Mach (disambiguation) Mach may refer to Mach number, the speed of sound in local conditions. It may also refer to: Computing * Mach (kernel), an operating systems kernel technology * ATI Mach, a 2D GPU chip by ATI * GNU Mach, the microkernel upon which GNU Hurd is ...
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Mack (disambiguation) Mack may refer to: People *Mack (given name) *Mack (surname) *Reinhold Mack, German record producer and sound engineer, often credited as simply "Mack" *Richard Machowicz (1965–2017), host of ''FutureWeapons'' and ''Deadliest Warrior'', known as ...
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Mak (disambiguation) Mak may refer to: People *Mak Dizdar (1917 - 1971), Bosnian poet *Muhammad Arshad Khan, Pakistani painter popularly known as "MAK" *Alan Mak (director) (born 1968), Hong Kong film director *Alan Mak (politician) (born 1984), British Member of Par ...
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