Mac Stands For

MacOS
macOS (; previously Mac OS X and later OS X) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac family of computers. Within the market of desktop, laptop and home computers, and by web usage, it is the second most widely used desktop OS, after Microsoft Windows.macOS is the second major series of Macintosh operating systems. The first is colloquially called the 'classic' Mac OS, which was introduced in 1984, and the final release of which was Mac OS 9 in 1999. The first desktop version, Mac OS X 10.0, was released in March 2001, with its first update, 10.1, arriving later that year. After this, Apple began naming its releases after big cats, which lasted until OS X 10.8 Mountain Lion. Since OS X 10.9 Mavericks, releases have been named after locations in California. Apple shortened the name to 'OS X' in 2012 and then changed it to 'macOS' in 2016, adopting the nomenclature that they were using for their other operating systems, iOS, watchOS, and tvOS. The latest version is macOS Mojave, which was publicly released in September 2018.Between 1999 and 2009, Apple sold a separate series of operating systems called Mac OS X Server. The initial version, Mac OS X Server 1.0, was released in 1999 with a user interface similar to Mac OS 8.5. After this, new versions were introduced concurrently with the desktop version of Mac OS X. Beginning with Mac OS X 10.7 Lion, the server functions were made available as a separate package on the Mac App Store.macOS is based on technologies developed between 1985 and 1997 at NeXT, a company that Apple co-founder Steve Jobs created after leaving the company. The 'X' in Mac OS X and OS X is the Roman numeral for the number 10 and is pronounced as such. The X was a prominent part of the operating system's brand identity and marketing in its early years, but gradually receded in prominence since the release of Snow Leopard in 2009. UNIX 03 certification was achieved for the Intel version of Mac OS X 10.5 Leopard and all releases from Mac OS X 10.6 Snow Leopard up to the current version also have UNIX 03 certification. macOS shares its Unix-based core, named Darwin, and many of its frameworks with iOS, iPadOS, tvOS, and watchOS. A heavily modified version of Mac OS X 10.4 Tiger was used for the first-generation Apple TV.Releases of Mac OS X from 1999 to 2005 ran on the PowerPC-based Macs of that period. After Apple announced that they were switching to Intel CPUs from 2006 onwards, versions were released for 32-bit and 64-bit Intel-based Macs. Versions from Mac OS X 10.7 Lion (2011) run exclusively on 64-bit Intel CPUs, in contrast to the ARM architecture used on iOS and watchOS devices, and do not support PowerPC applications.

A Brexit-related MAC clause would only be needed if a purchase deal was made to acquire Charter Court prior to 23 June 2016, the date of the UK referendum, although a number of businesses are delaying auctions until after the poll. Looking for online definition of MAC or what MAC stands for? MAC is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary. What does MAC stand for? Your abbreviation search returned 260 meanings. Showing only Business & Finance definitions. Link/Page Citation Category Filters; All definitions (260) Information Technology (43) Military & Government (70) Science & Medicine (40) Organizations, Schools, etc.

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AcronymDefinition
MACMedia Access Control
MACMacintosh (slang for Apple computer)
MACMandatory Access Control
MACMedium Access Control
MACMid-American Conference
MACMultiple Access
MACMessage Authentication Code
MACMedia Access Controller
MACMPEG (Moving Picture Experts Group) Audio Collection
MACMacro (File Name Extension)
MACMedicare Administrative Contractor
MACMid-Atlantic Center for the Arts (tours & events; Cape May, NJ)
MACMacau (ISO Country code)
MACMacedonian (linguistics)
MACMacaroni
MACMainland Affairs Council (Taiwan)
MACMacomb (Amtrak station code; Macomb, IL)
MACMetropolitan Airports Commission
MACMilitary Affairs Council
MACMilk and Cookies
MACMark McGwire (baseball player)
MACMusical Arts Center
MACManagement Advisory Committee
MACMake-Up Art Cosmetics, Inc
MACMaximum Allowable Cost
MACMountain Athletic Conference (Pennsylvania high school athletics)
MACMunicipal Advisory Council
MACMining Association of Canada (l'Association Minière du Canada)
MACMcMaster University (Hamilton, Ontario, Canada)
MACMycobacterium Avium Complex (medicine)
MACMoves, Adds, and Changes
MACMarine Aquarium Council
MACMacPaint (File Name Extension)
MACMembrane Attack Complex
MACMobile Adult Content (conference)
MACMedia, Arts and Culture
MACMarubeni America Corporation (Marubeni Corporation)
MACMilwaukee Athletic Club (Milwaukee, WI)
MACImmaculata
MACMaterial Adverse Change
MACMedia Air Cleaner
MACMineral Area College (Park Hills, MO)
MACMartial Arts Club (various organizations)
MACMount Aloysius College (Cresson, PA)
MACModal Assurance Criterion
MACManaged Account (finance)
MACMarketing Association of Columbia (Columbia University; New York)
MACMonetary Affairs Committee (East African Community)
MACMultnomah Arts Center (Portland, OR)
MACMaster of Accountancy
MACMultnomah Athletic Club (Portland, OR)
MACMilitary Airlift Command (US Air Force)
MACMinimum Alveolar Concentration (measure of potency for anesthetics)
MACMass Attenuation Coefficient
MACMorgan Advanced Ceramics (Morgan Crucible Company; UK)
MACMonitored Anesthesia Care
MACMathematics and Computation (MIT Artificial Intelligence Lab project)
MACModel Aircraft Club (various locations)
MACMicrosoft Approved Course
MACManagement Adhoc Committee
MACMacintosh
MACMultiple Analogue Component
MACMultiple Advanced Computers
MACMultiply Accumulate
MACMulti Access Computer
MACMouse Activated Computer
MACMembership Advisory Committee
MACMemory Access Control
MACMachine Access Code
MACMid-America Council (Boy Scouts of America; various locations)
MACMid-Atlantic Conference (various organizations)
MACMissouri Arts Council (St Louis, MO)
MACMaster of Arts in Counseling
MACMarine Amphibious Corps (est. 1942)
MACMedium Access Controller
MACMemory Access Controller
MACMigration Authorisation Code (UK DSL)
MACMineralogical Association of Canada (Association Minéralogique du Canada)
MACMaximum Allowable Concentration
MACMain Automation Contractor
MACMid-America Chapter (various organizations)
MACMunicipal Athletic Complex (various locations)
MACMove, Add, Change
MACMultiplier/Accumulator
MACMaximum Acceptable Concentration
MACMilitary Assistance Command
MACMedical Associates Clinic (various locations)
MACModel Articulation Controller
MACMildura Arts Centre (Australia)
MACMunich Airport Center
MACManagement Advisory Council (FAA)
MACMarginal Abatement Cost (curve; metric of costs of complying with Kyoto Protocol for reducing greenhouse gases)
MACManufacturing Assistance Center (various locations)
MACMacConkey Agar (microbiological media)
MACMarket Access and Compliance (US Department of Commerce)
MACMorrisville Auxiliary Corporation (Morrsiville State College; Morrisville, NY)
MACMid-America Conference
MACMaryland Athletic Club
MACMulti Activity Court (various locations)
MACMotor Ambulance Convoy
MACMedical Advisory Council
MACMultiple Award Contracts
MACMunicipal Assistance Corporation (New York City)
MACMean Aerodynamic Chord
MACMichigan Association of Counties
MACMembership Advisory Council (various organizations)
MACMulti-Agency Coordinating (various organizations)
MACMidwest Archives Conference
MACMethanosarcina Acetivorans
MACManhattan Association of Cabarets and Clubs
MACMine Action Center
MACMulti Asset Class (Oberon Financial Technology, Inc.)
MACMid-Atlantic Championship
MACMaximum Allowable Charge
MACMaintenance Allocation Chart
MACMemory and Aging Center
MACMid-Atlantic Crossing
MACMobile Air Conditioner
MACMagnetic Accelerator Cannon (Babylon 6)
MACMooney Airplane Company (Texas)
MACMines Action Canada
MACMilitary Armament Corporation (produced Mac 10&11 SMGs)
MACMichigan Administrative Code
MACMitral Annular Calcification (echogardiography)
MACAtlantic Mackerel (FAO fish species code)
MACMaintaining Active Citizens (elderly care; various locations)
MACMachine Aided Cognition
MACManitoba Arts Council
MACMinnesota Annual Conference
MACMulticultural Advisory Committee
MACMusic Appreciation Club (various locations)
MACMethodist Annual Conference
MACMilitary Aircraft Command
MACMembers Advisory Committee (various organizations)
MACMulti Agency Committee (various locations)
MACMexican-American Commission
MACMidwest Airlines Center (now Frontier Airlines Center; Milwaukee, WI)
MACMaster Addictions Counselor
MACMid America Corvette (company)
MACMultiplexed Analogue Components
MACMedical Alumni Council (various schools)
MACManagement Access Conference (annual conference)
MACMuslim Association of Canada (Ottawa, Canada)
MACMonitoring Advisory Committee (various locations)
MACMaintaining Arc Consistency (constraint programming AI research)
MACMary Andrews College (Australia)
MACMichigan Apple Committee
MACMontgomery Aquatic Center (Rockville, MD)
MACMidtown Athletic Club (various locations)
MACMarketing Advisory Committee
MACMachine Address Code
MACMission Assurance Category
MACMassachusetts Animal Coalition
MACManagement Accounting Committee (various organizations)
MACMonths After Contract
MACManufacturing Alliance of Connecticut
MACMid-Arm Muscle Circumference
MACMapping and Analysis Center (FEMA)
MACMaintenance Advisory Committee (various organizations)
MACMinnesota Autosports Club (est. 1970)
MACMetropolitan Arts Commission
MACMinistry of Agriculture and Cooperatives
MACMonitoring and Analysis Coordinator (US FEMA)
MACMoore Action Collectibles (toy company)
MACMikuni American Corporation (Northridge, CA)
MACMichigan Aerospace Corporation (Ann Arbor, Michigan)
MACMonitored Anaesthesia Care
MACMine-Awareness Campaign
MACMothers Against Canada (South Park)
MACMoney Access Center
MACMaximum Amount Contributable (US IRS)
MACMicrobiota-Accessible Carbohydrate (biological molecules)
MACMothers Against Circumcision
MACMississippi Association of Cooperatives
MACMulti Axis Controller
MACMinister’s Approval Certificate (UK)
MACMultipole Acoustic Log (energy production)
MACMixed Armistice Commission
MACMultiservice Access Concentrator (ADC Kentrox)
MACMinimum Annual Commitment
MACMasonry Advisory Council
MACMessage Authenticity Check
MACMobility Augmentation Company (US Army)
MACMidwest CHP Application Center
MACMediterranean Air Command (WWII)
MACMidwest Adoption Center (Des Plaines, IL)
MACManingrida Arts and Culture (Aboriginal arts organisation; Maningrida, Arnhem Land, Northern Territory)
MACMaking Arizona Competitive
MACManagement and Administrative Computing
MACMunitions Assembly Conveyor
MACMa’aden Aluminum Company (Ras Az Zawr, Saudi Arabia)
MACMouse Activated Computer (suggested acronym for Apple Macintosh computer)
MACMultiple-Access Computing
MACMaine Athletic Conference
MACMaster of Art Conservation
MACMaintenance Action Code
MACManchester Athletic Club (Manchester, MA)
MACMultipurpose Activity Center
MACMultiple Analog Component
MACMississauga Arts Council
MACMitigation Assistance Clinic (US FEMA)
MACMobile Action Command (1970s Matchbox Division)
MACMid-Atlantic Collegiate (umpires)
MACMultiple Access Communications Limited
MACMobile Attenuation Code (cellular term)
MACMedical Assistance for Children (various organizations)
MACMovimento Anti-Comunista (Portuguese: Anti-Communist Movement)
MACMean Alveolar Concentration (anesthesiology)
MACMulticultural Awareness Council
MACMuseu da Arte Contemporânea (Sao Paulo, Brazil)
MACMedical Affirmative Claims
MACMean Aerodynamic Center
MACMobility Augmentation Company
MACMission Assignment Coordinator
MACManeuver Area Command
MACMulti Access Controller
MACMultiphase Atmospheric Chemistry
MACMedicaid Authorization Card
MACMulti Aircraft Control (aviation technology)
MACMontana Agricultural College
MACMicromechanics Analysis Code (US NASA software)
MACMiddle America Cox (Cox-Internet)
MACMessage Authentication Control
MACMass Accelerator Cannon (gaming, Halo weaponry)
MACMaintenance Administration Center
MACMultiplying Accumulator
MACMultiplier Accumulator Chip
MACMunicipal Amateur Coordinator
MACMagazine Association of Canada
MACManufacturing Advisory Center
MACManagement Ad Hoc Committee
MACMajor Ambulatory Category
MACMinimal Antibiotic Concentration
MACMultifiber Array Connector
MACMulti-Agency Coordinating Entity
MACMakiling Airsoft Club (Philippines)
MACMajor Area Commander
MACMultiple Architecture Computer (Hewlett-Packard)
MACManagement Action Center
MACMateriel Acquisition Command
MACMaterial Accumulation Costing
MACMaterial Accountability and Control
MACMechanized Assignment and Control
MACMultiple Access Contract
MACMaritime Area Commander
MACMulti-Sensor Air Campaign
MACManitoba Action Centre (Leaf Rapids, Manitoba, Canada)
MACMeasurement and Analysis Center
MACMaintenance Availability Computer
MACChief Machine Accountant (naval rating)
MACMaterial Accounting Center
MACMagnetic Anomaly Concealment
MACMoselle Alpine Club (French automobile club; Moselle, France)
MACMaximum Adjacent Cut (locksmithing)
MACMontessori Australia Council (Queensland, Australia)
MACMetal Anneal Chamber
MACMobile Attack Cuisine (Fighting Foodons)
MACMultiple Array Correlation
MACModern Arab Contractors
MACModular Amplification Card
MACMortuary Affairs Coordinator
MACMilestone Achievement Certificate (UK)
MACMainland Aviation College (New Zealand)
MACMulti-Static Active Coherent (US Navy)
MACMen's Advisory Counsel/Committee (prisons)
MACMIUW Attack Craft
MACMustang Athletic Complex
MACMagnetometer Alignment Coil
MACManually Activated Call point (fire protection systems)
MACMinneola Alliance Church (Minneola, FL)
MACMaximum Asset Capability (economics)
Mac stands for medical
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