MDA, mda, or ''variation'', may refer to:

Places

Moldova Moldova ( , ; ), officially the Republic of Moldova ( ro, Republica Moldova), is a landlocked country in Eastern Europe. It is bordered by Romania to the west and Ukraine to the north, east, and south. The unrecognised state of Transnistr ...

, a country in Europe with the ISO 3166-1 country code MDA

Politics

* Meghalaya Democratic Alliance (2018), ruling coalition government in the Indian State of

Meghalaya Meghalaya (, or , meaning "abode of clouds"; from Sanskrit , "cloud" + , "abode") is a state in northeastern India. Meghalaya was formed on 21 January 1972 by carving out two districts from the state of Assam: (a) the United Khasi Hills and J ...

led by National People's Party *

Meghalaya Democratic Alliance (2003) The Meghalaya Democratic Alliance (MDA) was a Coalition government, coalition of political parties that formed the Government of Meghalaya, Government in the state of Meghalaya, India, after the 2003 Meghalaya Legislative Assembly election, 2003 ...

, coalition government in the Indian State of

led by

Indian National Congress The Indian National Congress (INC), colloquially the Congress Party but often simply the Congress, is a political party in India with widespread roots. Founded in 1885, it was the first modern nationalist movement to emerge in the British E ...

People

* A. P. Mda (1916-1993) South African political activist *

Zakes Mda Zakes Mda ( ), legally Zanemvula Kizito Gatyeni Mda (born 1948) is a South African novelist, poet and playwright and he is the son of politician A. P. Mda. He has won major South African and British literary awards for his novels and plays. He ...

(born 1948) South African author

Companies, organizations and government bodies

Collections Trust The Collections Trust is an independent UK-based charity that works with museums, libraries, galleries and archives worldwide to improve the management and use of collections. It was established in February 1977 as the Museum Documentation Associa ...

, formerly the Museum Documentation Association, a U.K.-based charity *

Everytown for Gun Safety Everytown for Gun Safety is an American nonprofit organization which advocates for gun control and against gun violence. Everytown was created in 2013 when Mayors Against Illegal Guns and Moms Demand Action for Gun Sense in America joined forc ...

or Moms Demand Action, an American group that advocates for increased gun control *

Magen David Adom The Magen David Adom ( he, מגן דוד אדום, abbr. MDA, pronounced ''MAH-dah'' per its Hebrew acronym, ) is Israel's national emergency medical, disaster, ambulance and blood bank service. The name means "Red Shield" or "Red Star of Dav ...

(Hebrew: מגן דוד אדום, "Red Star of David"), the national aid organization of Israel and affiliate of the International Red Cross and Red Crescent Movement * Malaysia Design Archive, an archive in Kuala Lumpur, Malaysia * Manicaland Development Association, a former Zimbabwean NGO *

Maritime domain awareness Maritime domain awareness (MDA) is defined by the International Maritime Organization as the effective understanding of anything associated with the maritime domain that could impact the security, safety, economy, or environment. MDA is said to w ...

, part of a U.S. Government inter-agency and international maritime security effort *

Maxar Technologies Maxar Technologies Inc. is a space technology company headquartered in Westminster, Colorado, United States, specializing in manufacturing communication, Earth observation, radar, and on-orbit servicing satellites, satellite products, and relat ...

, a Canadian-American aerospace company formerly called MDA prior to 2018 *

MDA (company) MDA Ltd. is a Canadian space technology company headquartered in Brampton, Ontario, Canada, that provides geointelligence, robotics & space operations, and satellite systems. History MDA (formerly MacDonald, Dettwiler and Associates) was founde ...

, a Canadian aerospace technology company * Media Development Authority, a now-defunct statutory board in the Singapore government, now part of

Infocomm Media Development Authority The Infocomm Media Development Authority (IMDA) is a statutory board under the Singapore Ministry of Communications and Information (MCI). History Following the passing of the Info-communications Media Development Authority Bill in Parliame ...

* Medical Devices Agency, now a part of Medicines and Healthcare products Regulatory Agency * Medical Device Authority (pihak berkusa peranti perubatan) of Malaysia *

Minnesota Department of Agriculture Minnesota Department of Agriculture (MDA) is a government agency in Minnesota responsible for managing the state's food supply, natural resources, and agricultural economy. History The department began as the Minnesota State Dairy Commission in 188 ...

Missile Defense Agency The Missile Defense Agency (MDA) is the section of the United States government's Department of Defense responsible for developing a layered defense against ballistic missiles. It had its origins in the Strategic Defense Initiative (SDI) which w ...

, an agency of the US Department of Defense * Movement for Democracy in Africa, a political party in Burkina Faso *

Muscular Dystrophy Association The Muscular Dystrophy Association (MDA) is an American 501(c)(3) umbrella organization that works to support people with neuromuscular diseases. Founded in 1950 by Paul Cohen, who lived with muscular dystrophy, it works to combat neuromuscular d ...

, an American organization that funds research into muscular dystrophy and other diseases *

Myanmar Dental Association The Myanmar Dental Association ( my, မြန်မာနိုင်ငံ သွားနှင့်ခံတွင်း ဆရာဝန်အသင်း; MDA) is a professional association established in 1979 which has more than 4,000 membe ...

, a professional association of Burmese dentists

Computing and technology

Mail delivery agent A message delivery agent (MDA), or mail delivery agent, is a computer software component that is responsible for the delivery of e-mail messages to a local recipient's mailbox., ''Internet Mail Architecture'', D. Crocker (July 2009) It is also call ...

, software that routes e-mail to its destination * Mechanical design automation, a branch of computer-aided design * Message-driven architecture, an alternative name for

event-driven architecture Event-driven architecture (EDA) is a software architecture paradigm promoting the production, detection, consumption of, and reaction to events. Overview An ''event'' can be defined as "a significant change in state". For example, when a consumer p ...

* Mobile document access, the retrieval of documents using a mobile computer *

Model-driven architecture Model Driven Architecture (MDA) is a software design approach for the development of software systems. It provides a set of guidelines for the structuring of specifications, which are expressed as models. Model Driven Architecture is a kind of doma ...

, a software design approach *

Microconnect distributed antenna Microconnect distributed antennas (MDA) are small-cell local area (100 metre radius) transmitter-receivers usually fitted to lampposts and other street furniture in order to provide Wireless LAN, GSM and GPRS connectivity. They are therefore less ob ...

, a kind of transmitter/receiver *

IBM Monochrome Display Adapter The Monochrome Display Adapter (MDA, also MDA card, Monochrome Display and Printer Adapter, MDPA) is IBM's standard video display card and computer display standard for the IBM PC introduced in 1981. The MDA does not have any pixel-addressa ...

(also called MDA or MDA card), a computer display standard * Mobile digital assistant, series of T-Mobile branded PDA-like mobile phones * MDA framework, a model used in game design to analyze games

Publications

*'' methods, data, analyses'', academic journal for survey methodology *''

Monthly Dragon Age is a Japanese shōnen manga magazine published by Fujimi Shobo. The magazine began as a combination between ''Monthly Comic Dragon'' and ''Monthly Dragon Junior'', two former magazines published by Fujimi Shobo. The first issue was published in ...

'', a Japanese magazine

Science and medicine

* Minimum detectable activity, the lowest value a radiation detector can measure within the human body * Mean directional accuracy, metric to evaluate a forecasting method * Maternally derived antibodies, or maternal antibodies naturally acquired, a type of passive immunity *

MDA5 MDA5 (melanoma differentiation-associated protein 5) is a RIG-I-like receptor dsRNA helicase enzyme that is encoded by the ''IFIH1'' gene in humans. MDA5 is part of the RIG-I-like receptor (RLR) family, which also includes RIG-I and LGP2, and ...

, melanoma differentiation-associated protein 5

Drugs

Mass drug administration The administration of drugs to whole populations irrespective of disease status is referred to as mass drug administration (MDA). This article describes the administration of antimalarial drugs to whole populations an intervention which has been u ...

2,3-Methylenedioxyamphetamine 2,3-Methylenedioxyamphetamine (2,3-MDA) or ORTHO-MDA is an amphetamine derivative In mathematics, the derivative of a function of a real variable measures the sensitivity to change of the function value (output value) with respect to a c ...

(2,3-MDA), an amphetamine drug *

3,4-Methylenedioxyamphetamine 3,4-Methylenedioxyamphetamine (also known as MDA and sass) is an empathogen-entactogen, psychostimulant, and psychedelic drug of the amphetamine family that is encountered mainly as a recreational drug. In terms of pharmacology, MDA acts most ...

(3,4-MDA or tenamfetamine), an amphetamine drug known for its recreational use * Misuse of Drugs Act 1971, an act of the Parliament of the United Kingdom * MDA prescriptions are medical prescriptions for drugs covered by the

Misuse of Drugs Act (Ireland) The Misuse of Drugs Act 1977, the Misuse of Drugs Act 1984, Misuse of Drugs Act 2015 and the Criminal Justice (Psychoactive Substances) Act 2010 are the acts of the Oireachtas regulating drugs in Ireland. The acts define the penalties for unlawf ...

Chemical compounds, procedures, and terminology

* Multiple displacement amplification, a non-PCR based DNA amplification technique *

4,4'-Methylenedianiline 4,4′-Methylenedianiline (MDA) is an organic compound with the formula CH2(C6H4NH2)2. It is a colorless solid, although commercial samples can appear yellow or brown. It is produced on an industrial scale, mainly as a precursor to polyurethanes ...

, an industrial chemical *

Malondialdehyde Malondialdehyde (MDA) is the organic compound with the nominal formula CH2(CHO)2. A colorless liquid, malondialdehyde is a highly reactive compound that occurs as the enol. It occurs naturally and is a marker for oxidative stress. Structure and ...

, organic compound with the chemical formula CH₂(CHO)₂ * MDa, a megadalton (one million daltons), where a dalton is a synonym for an atomic mass unit (amu) *

Metal deactivator Metal deactivators, or metal deactivating agents (MDA) are fuel additives and oil additives used to stabilize fluids by deactivating (usually by sequestering) metal ions, mostly introduced by the action of naturally occurring acids in the fuel a ...

or metal deactivating agent, fuel additives and oil additives used to stabilize fluids by deactivating metal ions

Other meanings

* ''MDA'' (TV series), a medico-legal television show set in Australia * Management discussion and analysis * Mesocyclone detection algorithm, an automated software discriminator of a

mesocyclone A mesocyclone is a meso-gamma mesoscale (or storm scale) region of rotation (vortex), typically around in diameter, most often noticed on radar within thunderstorms. In the northern hemisphere it is usually located in the right rear flank (back ...

within a thunderstorm detected by Doppler weather radar *

Multiple discriminant analysis Multiple Discriminant Analysis (MDA) is a multivariate dimensionality reduction technique. It has been used to predict signals as diverse as neural memory traces and corporate failure. MDA is not directly used to perform classification. It merel ...

, a method for compressing a multivariate signal to yield a lower-dimensional signal amenable to classification *

, screen display standard * Minimum descent altitude in an

instrument approach In aviation, an instrument approach or instrument approach procedure (IAP) is a series of predetermined maneuvers for the orderly transfer of an aircraft operating under instrument flight rules from the beginning of the initial approach to a landi ...

(aviation)