ACM

Abbreviation with 3 meanings

ACM
Stands forAssociation for Computing Machinery
Meanings3
CategoriesOrganizations & Companies, Military

ACM has three meanings. The most common are Association for Computing Machinery (professional association and labor union) and Afghanistan Campaign Medal (military award and decoration); it can also stand for Air Chief Marshal.

Meanings of ACM at a glance

#ACM stands forContext
1Association for Computing MachineryOrganizations & Companies › Professional Association and Labor Union
2Afghanistan Campaign MedalMilitary › Military Award and Decoration
3Air Chief MarshalMilitary › British Military Rank

1. Association for Computing Machinery

Organizations & Companies · Professional Association and Labor Union Abbreviations

World's largest scientific and educational computing society, which publishes journals and conference proceedings, sponsors special interest groups such as SIGGRAPH and presents the A.M. Turing Award, often called the Nobel Prize of computing.

Example: Her paper was accepted at an ACM conference on human-computer interaction.

Founded in 1947 and based in New York City, it began awarding the Turing Award in 1966; since 2014 the prize has carried 1 million dollars. Its Digital Library holds much of the computing research literature. It also runs the International Collegiate Programming Contest with partners.

2. Afghanistan Campaign Medal

Military · Military Award and Decoration Abbreviations

US campaign medal for service in Afghanistan or its airspace in support of Operation Enduring Freedom and Operation Freedom's Sentinel, from October 2001 through the 2021 withdrawal.

Example: The ACM on her rack shows two campaign stars.

Created in 2004. Campaign stars correspond to designated phases of the war. In British rank usage, ACM means Air Chief Marshal. Campaign stars are worn on the ribbon for each phase in which the member served, such as liberation, consolidation and transition.

3. Air Chief Marshal

Military · British Military Rank Abbreviations

Four-star RAF rank at NATO grade OF-9, equivalent to a general or admiral. The professional head of the RAF, the Chief of the Air Staff, holds this rank, as does an RAF officer serving as Chief of the Defence Staff.

Example: ACM Smyth, Chief of the Air Staff, set out the RAF's priorities at the Air and Space Power Conference.

Air chief marshal is the highest RAF rank held in peacetime. The title is shared with air forces such as the Indian Air Force. RAF officers have held the top UK military post, Chief of the Defence Staff, several times.

More professional association and labor union abbreviations

  • AAUP – American Association of University Professors
  • ABA – American Bar Association
  • ACA – American Counseling Association
  • ACC – American College of Cardiology
  • ACOG – American College of Obstetricians and Gynecologists
  • ACP – American College of Physicians
  • ACS – American Chemical Society
  • ADA – American Dental Association

See all 95 professional association and labor union abbreviations →

More military award and decoration abbreviations

  • AAM – Army Achievement Medal
  • AFC – Air Force Cross
  • AFCM – Air Force Commendation Medal
  • AFEM – Armed Forces Expeditionary Medal
  • ARCOM – Army Commendation Medal
  • ASR – Army Service Ribbon
  • BSM – Bronze Star Medal
  • CAB – Combat Action Badge

See all 37 military award and decoration abbreviations →