Look up AM, A.M., Am, am, a.m. in Wiktionary, the free dictionary.

AM, Am, or am may refer to:

• Master of Arts (postgraduate), (Artium Magister) alternative abbreviation for a Master's degree in Arts
• Americium, a chemical element with symbol Am
• Arthur-Merlin protocol, an interactive proof system in computational complexity theory
• Automated Mathematician, an artificial intelligence program
• Attometre (am), a unit of length (equal to 10^–18 m)
• Order of Australia member (postnominal)
• Accelerated Math in the US or Accelerated Maths in the UK

In engineering

• Advanced Manufacturing
• Avancier Method
• Amplitude modulation, the technique used for AM radio broadcasting

In medicine and psychology

• Adrenomedullin, a protein
• Autobiographical memory

In timekeeping:

• Ante Meridiem, in 12-hour clock notation, Latin for "before noon" (also written A.M., a.m., and am), in contrast to post meridiem (p.m., "after noon")
• Anno Mundi, a Calendar era counting from the creation of the world
• Anno Martyrum, used in the Coptic calendar

In communications:

• "Away message", see status message (IM)
• "Above mentioned" in Internet slang
• Airmail
• AM broadcasting, radio broadcasting using amplitude modulation

In entertainment:

• AM (ABC Radio), radio current affairs programme
• A.M. (musician), musician Andrew Moore
• A.M. (album), album by rock band Wilco
• AM (fictional computer), a fictional evil supercomputer in the short story I Have No Mouth, and I Must Scream
• A minor (Am), a minor chord in music
• American Morning, the morning news program on CNN
• A fictional petroleum company in Grand Theft Auto: Liberty City Stories

In geography:

• Americas (as in Pan-Am and Trans-Am)
• Armenia (ISO country code AM)
• Anguilla (MARC country code am)
• Amazonas State, Brazil
• Amharic language (ISO 639-1 language code am)
• Amran Governorate, Yemen (ISO 3166-2:YE)

In sports:

• Attacking midfielder in soccer

In transportation:

• Aston Martin
• Aeroméxico (IATA airline designator)
• Asia Miles, a Cathay Pacific travel reward programme
• Arkansas and Missouri Railroad, a short-line railroad headquartered in Springdale, Arkansas
• A.M. (1906 automobile), an early French automobile

In the military:

• Air Marshal, a military rank in the Royal Air Force and many Commonwealth air forces
• Air Medal, a military decoration
• Minesweeper (ship), U.S. Navy 1921 warship classification code
• Anti-materiel rifle, a weapon for use against material rather than combatants

In UK Politics:

• Assembly Member of the National Assembly for Wales or London Assembly

In computing:

• .am, the top-level domain for Armenia

See also

• A&M
• AM2

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.