TMA may refer to:

Science

* Tense–Modality–Aspect or ''tense–aspect–mood'', grammatical system *

Tetramethylammonium Tetramethylammonium (TMA) or (Me4N+) is the simplest quaternary ammonium cation, consisting of four methyl groups attached to a central nitrogen atom, and is isoelectronic with neopentane. It is positively charged and can only be isolated in asso ...

ion or its salts *

Thermomechanical analysis Thermomechanical analysis (TMA) is a technique used in thermal analysis, a branch of materials science which studies the properties of materials as they change with temperature. Thermomechanical analysis is a subdiscipline of the thermomechanome ...

* Third man argument, a philosophical criticism of Plato's theory of Forms *

Thrombotic microangiopathy Thrombotic microangiopathy (TMA) is a pathology that results in thrombosis in capillaries and arterioles, due to an endothelial injury. It may be seen in association with thrombocytopenia, anemia, purpura and kidney failure. The classic TMAs are ...

* Tissue microarray, device for analysing many histological tissue samples *

Transcription mediated amplification Transcription-mediated amplification (TMA) is an isothermal (does not change the nucleic acid temperature), single-tube nucleic acid Gene_duplication#As_amplification, amplification system utilizing two enzymes, RNA polymerase and reverse transcri ...

Trimethylamine Trimethylamine (TMA) is an organic compound with the formula N(CH3)3. It is a colorless, hygroscopic, and flammable tertiary amine. It is a gas at room temperature but is usually sold as a 40% solution in water. (It is also sold in pressurized ...

, (CH₃)₃N, a simple amine *

Trimethylaluminium Trimethylaluminium is one of the simplest examples of an organoaluminium compound. Despite its name it has the formula Al2( CH3)6 (abbreviated as Al2Me6 or TMA), as it exists as a dimer. This colorless liquid is pyrophoric. It is an industriall ...

, (CH₃)₃Al * Psychedelic or hallucinogenic drugs that are isomeric-substituted amphetamines: ** 3,4,5-trimethoxyamphetamine ( TMA) ** 2,4,5-trimethoxyamphetamine (

TMA-2 TMA-2 may be: * TMA-2 mine * Soyuz TMA-2, a Russian space exploration mission * 2,4,5-trimethoxyamphetamine, a hallucinogenic drug * Tycho Magnetic Anomaly In Arthur C. Clarke's ''Space Odyssey'' series, Monoliths are machines in black cuboids ...

) ** 2,3,4-trimethoxyamphetamine ( TMA-3) ** 2,3,5-trimethoxyamphetamine ( TMA-4) ** 2,3,6-trimethoxyamphetamine ( TMA-5) ** 2,4,6-trimethoxyamphetamine ( TMA-6) * '' Tristeza y muerte de agave'', a collective term for diseases of blue agave

Transportation

Aviation

* Terminal Manoeuvring Area /

Terminal Control Area In aviation, a terminal control area (TMA, or TCA in the U.S. and Canada), is a designated area of controlled airspace surrounding a major airport where there is a high volume of traffic. TMA airspace is normally designed in a circular configurat ...

- aviation term for a controlled high-volume airspace *

Trans Maldivian Airways Trans Maldivian Airways (Pvt) Ltd. (TMA) is a private airline headquartered on the grounds of Velana International Airport in Malé, Maldives. Operating out of Velana International Airport, TMA is the oldest air transfer operator operating in the ...

TMA Cargo Trans Mediterranean Airways SAL, styled as TMA Cargo ( ar, الخطوط الجوية عبر المتوسط), was a cargo airline based in Beirut, Lebanon. The airline restarted operations in 2010, following a six-year hiatus. It suspended operatio ...

, Lebanese airline

Engineering

TMA Engineering TMA Engineering Ltd, is an engineering business based in Erdington, West Midlands (county), West Midlands, who supply services around power presses, but are best known for their sideline in building and overhauling miniature steam locomotives. M ...

, UK * Truck-mounted attenuator, crash attenuator

Space exploration

* Russian

Soyuz spacecraft Soyuz () is a series of spacecraft which has been in service since the 1960s, having made more than 140 flights. It was designed for the Soviet space program by the Korolev Design Bureau (now Energia). The Soyuz succeeded the Voskhod spacecraf ...

missions; TMA are the Russian initials for Transport Modified Anthropometric ** Soyuz TMA-1, launched 30 October 2002 ** Soyuz TMA-2, launched 26 April 2003 **

Soyuz TMA-3 Soyuz is a transliteration of the Cyrillic text Союз (Russian and Ukrainian, 'Union'). It can refer to any union, such as a trade union (''profsoyuz'') or the Union of Soviet Socialist Republics (Сою́з Сове́тских Социалис� ...

, launched 18 October 2003 **

Soyuz TMA-4 Soyuz TMA-4 was a Soyuz mission to the International Space Station (ISS) launched by a Soyuz FG launch vehicle. It was launched on April 19, 2004 (UTC) from Baikonur Cosmodrome. Gennady Padalka from Russia, Michael Fincke from the US and André ...

, launched 19 April 2004 **

Soyuz TMA-5 Soyuz TMA-5 was a Soyuz mission to the International Space Station (ISS) launched by a Soyuz-FG launch vehicle. Crew TMA 5 ISS 10 Crew patches were designed by Seán O'Mara for USSR Airspace. Docking with ISS *Docked to ISS: October 16, 2 ...

, launched 14 October 2004 **

Soyuz TMA-6 Soyuz TMA-6 was a human spaceflight to the International Space Station (ISS). It carried three crew members of Expedition 11 to the International Space Station. It was the 26th crewed flight to the ISS. It was launched by a Soyuz FG and return ...

, launch 15 April 2005 ** other Soyuz-TMA missions

Military

Target Motion Analysis Target Motion Analysis (TMA) is a process to determine the position of a target using passive sensor information. Sensors like passive ''RADAR'' and ''SONAR Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique th ...

, by submarine SONAR *

Tanzania Military Academy The Tanzania Military Academy (TMA) is a military training academy located in Monduli in northern Tanzania. It is regarded as a prestigious training institution and has trained officers from a number of countries across the region. History The ...

* Yugoslavian landmines: **

TMA-1 mine The TMA-1 and TMA-1A are circular, plastic cased Yugoslavian minimum metal anti-tank blast mine. The mine consists of an upper plastic pressure plate, and the lower body containing the main charge. The pressure plate has eight triangular raised se ...

TMA-2 mine The TMA-2 is a rectangular plastic cased Yugoslavian minimum metal anti-tank blast mine. It is very similar in appearance and size to the PT-56, which it replaced. The mine consists of two sections, an upper ribbed pressure plate with two large c ...

TMA-3 mine The TMA-3 is a circular Yugoslavian minimum metal anti-tank blast mine. It is very similar in appearance to the TMA-4. The mine consists of a cast circular block of explosive cased in resin reinforced fabric. The top of the mine has three fuze w ...

TMA-4 mine The TMA-4 is a circular plastic cased Yugoslavian minimum metal anti-tank blast mine. It is a modernized version of the TMA-3. The mine is basically a cast block of TNT with three fuze wells cut into it, encased in plastic. Three black plastic UT ...

Communication

Tower Mounted Amplifier A Tower Mounted Amplifier (TMA), or Mast Head Amplifier (MHA), is a low-noise amplifier (LNA) mounted as close as practical to the antenna in mobile masts or base transceiver stations. A TMA reduces the base transceiver station noise figure (NF) an ...

or masthead amplifier

Medicine

* Tissue microarray, a paraffin block in which tissue cores are assembled in array fashion to allow multiplex histological analysis

Other

Tehsil Municipal Administration A Tehsil Municipal Administration (TMA) is an organization associated with each Tehsil of Pakistan. TMAs are responsible for spatial planning and municipal services, and work closely with union councils. Responsibilities Key functions of a TMA ...

* Texas A&M Maritime Academy, at Texas A&M University at Galveston *

Theatre Musicians Association The Theatre Musicians Association (TMA) is a Players' Conference of the American Federation of Musicians (AFM). TMA represents American Musical Theatre musicians who perform in musical theatre orchestras in the United States, Canada, and Puerto R ...

, US *

TMA Awards The UK Theatre Awards, established in 1991 and known before 2011 as the TMA Awards, are presented annually by UK Theatre (formerly the Theatrical Management Association) in recognition of creative excellence and outstanding work in regional theat ...

of the UK Theatrical Management Association *

Total Media Agency is a Japanese adult video company located in Tokyo, Japan. Company information TMA, founded in October 1990, has offices located within Tokyo's Toshima ward. The studio specializes in videos generally in the cosplay genre but they are especially ...

, a Japanese pornographic video production company * TMA-1 (Tycho Magnetic Anomaly 1), a monolith in ''2001: A Space Odyssey'' * The

Mod Archive The Mod Archive is a web site dedicated to the indexing and archival of playable music module files. It allows anyone to upload modules, and provides charts, reviews and ratings of music files based on a community effort. Formats covered by the sit ...

, a web index and archive of playable music module files {{disambiguation