ASD most often refers to: *

Autism spectrum disorder Autism, also known as autism spectrum disorder (ASD), is a neurodevelopmental disorder characterized by differences or difficulties in social communication and interaction, a preference for predictability and routine, sensory processing di ...

, a neurodevelopmental condition *

Acute stress disorder Acute stress reaction (ASR), also known as psychological shock, mental shock, or simply shock, as well as acute stress disorder (ASD), is a psychological response to a terrifying, traumatic, or surprising experience. The reactions may include ...

, a psychological response ASD may also refer to:

Businesses and organisations

Education

* American School of Douala, Cameroon *

American School of Dubai The American School of Dubai (ASD) is an independent, not-for-profit, U.S. curriculum, Early Learning through Grade 12 international school offering an American education. The school was founded in 1966 and was previously known as the Jumeirah Am ...

American School of Doha The American School of Doha (ASD) is located in Doha, Qatar Qatar, officially the State of Qatar, is a country in West Asia. It occupies the Geography of Qatar, Qatar Peninsula on the northeastern coast of the Arabian Peninsula in the Midd ...

, Qatar * Academy for Science and Design, Nashua, New Hampshire, U.S. *

Allentown School District The Allentown School District is a large, urban public school district located in Allentown, Pennsylvania in the Lehigh Valley region of eastern Pennsylvania. The district is the fourth-largest school district in Pennsylvania as of the 201 ...

, Pennsylvania, U.S. *

American School for the Deaf American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, ...

, West Hartford, Connecticut, U.S. *

Anchorage School District The Anchorage School District (ASD) manages all public schools within the Municipality of Anchorage in the U.S. state of Alaska. It is the 107th largest school district A school district is a special-purpose district that operates local p ...

, Alaska, U.S. *

Armstrong School District (Pennsylvania) The Armstrong School District is a large, public school district which encompasses approximately . The district is one of the 500 public school districts of Pennsylvania. In Armstrong County, Pennsylvania, Armstrong School District covers th ...

, U.S. * Achievement School District, Tennessee, U.S.

Other organisations

AeroSpace and Defence Industries Association of Europe The Aerospace, Security and Defence Industries Association of Europe (ASD) is a trade association for the aerospace, defence and security industries in Europe. According to the organisation, it represents over 3,000 companies in 17 countries. ...

, a European business association *

Alliance for Securing Democracy The Alliance for Securing Democracy (ASD) is a political advocacy group formed in July 2017. The organization is chaired and run primarily by former senior United States intelligence and State Department officials. Laura Thornton, formerly of Int ...

, a trans-Atlantic group *

Alliance for Social Democracy Alliance for Social Democracy () is a political party in Benin Benin, officially the Republic of Benin, is a country in West Africa. It was formerly known as Dahomey. It is bordered by Togo to the west, Nigeria to the east, Burkina Faso to th ...

, a political party in Benin *

Architectural Services Department The Architectural Services Department is a department of the Government of Hong Kong responsible for the design and construction of many public facilities throughout the territory. It is subordinate to the Works Branch of the Development B ...

, Hong Kong *

Australian Signals Directorate The Australian Signals Directorate (ASD), formerly the Defence Signals Directorate, is a statutory agency of the Government of Australia responsible for signals intelligence, providing intelligence support to Australian military operations, con ...

, intelligence agency

Science and technology

Biology and medicine

* ASD (database), an online directory of allosteric proteins *

Antiseptic Dorogov's Stimulator Antiseptic Dorogov's Stimulator (, ASD) is an antiseptic drug invented by A. V. Dorogov in the 1940s in the former USSR. History ASD was originally invented by Russian researcher A. V. Dorogov in the 1940s and initially kept secret and allowed ...

, a Russian topical veterinary drug *

Aspartate-semialdehyde dehydrogenase In enzymology, an aspartate-semialdehyde dehydrogenase () is an enzyme that is very important in the biosynthesis of amino acids in prokaryotes, fungi, and some higher plants. It forms an early branch point in the metabolic pathway forming lysine, ...

, an enzyme ** asd RNA motif, a conserved RNA structure in certain lactic acid bacteria *

Atrial septal defect Atrial septal defect (ASD) is a congenital heart defect in which blood flows between the atrium (heart), atria (upper chambers) of the heart. Some flow is a normal condition both pre-birth and immediately post-birth via the Foramen ovale (heart) ...

, a congenital heart defect

Computing

Adaptive software development Adaptive software development (ASD) is a software development process that grew out of the work by Jim Highsmith and Sam Bayer on rapid application development (RAD). It embodies the principle that continuous adaptation of the process to the work a ...

, a software development process * Aircraft and Scenery Designer, an add-on for the ''

Microsoft Flight Simulator 4.0 ''Microsoft Flight Simulator'', commonly known as ''Microsoft Flight Simulator 4.0'' or ''FS4'', is a 1989 video game developed by Bruce Artwick Organization and published by Microsoft. Gameplay ''Microsoft Flight Simulator 4.0'' is a game in wh ...

'' video game *

Application Specific Device The Wi-Fi Alliance is a non-profit organization that owns the Wi-Fi trademark. Manufacturers may use the trademark to brand products certified for Wi-Fi interoperability. It is based in Austin, Texas. History Early 802.11 products suffered f ...

, a Wi-Fi certification type

Other uses in science and technology

Active sound design Active sound design is an acoustic technology concept used in automotive vehicles to alter or enhance the sound inside and outside of the vehicle. Active sound design (ASD) often uses active noise control and acoustic enhancement techniques to a ...

, an acoustic technology concept used in automotive vehicles *

Allowable stress design Permissible stress design is a design philosophy used by mechanical engineers and civil engineers. The civil designer ensures that the stresses developed in a structure due to service loads do not exceed the elastic limit. This limit is usually ...

, a structural design methodology *

Aspirating smoke detector An aspirating smoke detector (ASD) is a system used in active fire protection, consisting of a central detection unit which draws air through a network of pipes to detect smoke. The sampling chamber is based on a nephelometer that detects the pre ...

, an indoor fire-protection device *

Acceleration spectral density In signal processing, the power spectrum S_(f) of a continuous time signal x(t) describes the distribution of power into frequency components f composing that signal. According to Fourier analysis, any physical signal can be decomposed into ...

, a mechanical vibration test parameter

Transportation

Aeronautical Systems Division The Aeronautical Systems Center (ASC) was a U.S. Air Force product center that designed, developed and delivered aviation weapon systems and capabilities. It developed systems for the U.S. Air Force, other U.S. Department of Defense customers, ...

, US Air Force technical division 1961–1992 *

Air Sinai Air Sinai ( ') was an airline based in Cairo, Egypt. It operated as a 'paper airline' for parent company Egyptair under a wet lease-like agreement to serve flights exclusively between Egypt and Israel. History The Egypt–Israel peace treaty ...

, ICAO airline code ASD *

Amsterdam Centraal station Amsterdam Centraal station ( ; Railway stations in the Netherlands, abbreviation: Asd) is the largest railway station in Amsterdam, North Holland, the Netherlands. A major international Rail transport, railway hub, it is used by 192,000 passeng ...

, station code Asd * Andros Town International Airport, Bahamas, IATA airport code ASD *

Slidell Airport Slidell Airport is a city-owned public-use airport located four nautical miles (7 km) northwest of the central business district of Slidell, a city in St. Tammany Parish, Louisiana, United States. Although most U.S. airports use the same ...

, Louisiana, United States, FAA identifier ASD

Other uses

* ''ASD'' (album), by A Skylit Drive, 2015 *

Asas language Kou (Kow), or Sinsauru, is a Rai Coast language spoken in Madang Province, Papua New Guinea Papua New Guinea, officially the Independent State of Papua New Guinea, is an island country in Oceania that comprises the eastern half of the isla ...

, ISO 639 code asd *

International Association for the Study of Dreams The International Association for the Study of Dreams (IASD) is a multi-disciplinary (Hardcover), (Paperback) professional nonprofit organization for scientific dream research (oneirology), founded in 1983 and headquartered in the U.S. The or ...

, formerly Association for the Study of Dreams