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Martial Arts

Master of Arts (postgraduate), a postgraduate academic degree

Master of Arts (Scotland), an undergraduate degree in Scotland

Master of Arts (Oxbridge), an undergraduate degree from Oxbridge

MA (complexity), a complexity class, comprising the languages decidable by interactive proof systems of the Merlin-Arthur type

Madagascar (FIPS 10-4 country code)

"Main Assist": in MMORPGs (massively multiplayer online roleplaying games), the target selector for a party or raid. Therefore, if the MA = "Johdpur", a member of the party/raid should have an "/assist Johdpur" macro ready. This allows the party/raid to quickly dispatch priority targets.

MALÉV Hungarian Airlines (IATA airline designator)

Marketing automation

Massachusetts (United States postal abbreviations)

Mature Audience, a classification for media in Australia - see Office of Film and Literature Classification (Australia) and Australian Communications and Media Authority

Medical assistant

Megampere or Mega-ampere, an SI unit of electric current (worth 10⁶ A)

Memory Alpha

Morocco (ISO 3166 country code)

The Moving average model, in statistics

The Museums Association, in the UK

, the stock symbol for MasterCard.

Minnehaha Academy, a private high school in Minneapolis, Minnesota

Marin Academy, a high school in San Rafael, California

Marijuana Anonymous, a fellowship of recovering Marijuana addicts similar to Alcoholics Anonymous

Magister Artium or Master of Arts (M.A.), see Master's degree

Ma, a two-letter English word meaning "mother" (taken from Hindi language family)

"Ma" is the word for mother, or part of the word for mother, in many languages around the world. See Mama and papa

Romanisation of the Japanese kana character ま and マ

Ma, transliteration of the ancient Egyptian abbreviation of Meshwesh, an ancient Berber tribe

Ma, transliteration of Chinese family name 馬,马,麻 etc.

Ma (myth), a Sumerian word meaning "land"

Mega-annum or Megayear (Ma), a time period of one million (10⁶) years

Ma is the second syllable in the Buddhist "six syllable mantra" Om mani padme hum

Space, in Japanese (often refers to silence in music)

The Ma River, in Vietnam

The Ma people, an ethnic group in Vietnam

The Mach number, a measure of speed in a medium, comparing to the speed of sound

Ma (The Lion King), Timon's mother in The Lion King 1½.

In English, "ma" is a colloquial term of endearment, short for "mother" (abbreviated from "mamma").

In Italian, "ma" means the English word "but".

In Japanese, "ma" can also refer to a demon.

In Hungarian, "ma" means the English word "today".

In the hebrew language, "ma" means the English word "what".

Milliampere, an SI unit of electric current (worth 0.001 A).