AD (disambiguation)

AD (Anno Domini) is a designation used to label years following 1 BC in the Julian and Gregorian calendars.

Ad (advertisement) is a form of marketing communication.

AD, A.D. or Ad may also refer to:

Art, entertainment, and media

Film and television

A.D. (film), a 2010 animated zombie horror film
A.D. (miniseries), a 1985 television miniseries set in ancient Rome
A.D. The Bible Continues, a 2015 biblical drama television miniseries
Arrested Development, an American television sitcom
Attarintiki Daredi, 2013 Indian film by Trivikram Srinivas
Audio description, a service for visually impaired audience on some TV programs

Music

AD (band), a Christian rock band
A.D. (album), by Solace

Publications

AD (poem), by Kenneth Fearing
A.D.: New Orleans After the Deluge, a nonfiction graphic novel about Hurricane Katrina
Algemeen Dagblad, a Dutch newspaper
Architectural Digest, an interior design and landscaping magazine

Other art, entertainment, and media

Audio description track, a narration track for visually impaired consumers of visual media

Brands and enterprises

Alexander Dennis, a British bus manufacturer
Akcionersko društvo (aкционерско друштво), a Macedonian name for a type of company
Aktsionerno drujestvo (акционерно дружество), a Bulgarian name for a type of company
akcionarsko društvo (aкционарско друштво), a Serbian name for a type of company
Analog Devices, a semiconductor company

Educational qualifications

Artist diploma, a music performance certificate conferred by higher education institutions.

Military

Accidental discharge, a mechanical failure of a firearm causing it to fire
Active duty, a status of full duty or service, usually in the armed forces
Air defense, an anti-aircraft weaponry and systems
Air Department, part of the British Admiralty
A US Navy hull classification symbol: Destroyer tender (AD)
AD Skyraider, former name of the Douglas A-1 Skyraider, a Navy attack aircraft

Organizations

Action Directe, a French far-left militant group
Democratic Action (Venezuela) (Spanish: Acción Democrática), a social democratic and center-left political party
Democratic Alliance (Portugal, 1979) (Portuguese: Aliança Democrática), a former centre-right political alliance
Democratic Alternative (Malta) (Maltese: Alternattiva Demokratika), a green political party

People

Ad (name), a given name, and a list of people with the name
‘Ad, great-grandson of Shem, son of Noah
Anthony Davis (born 1993), American basketball player
A. D. Loganathan (1888–1949), officer of the Indian National Army
A. D. Whitfield (born 1943), American football player
A. D. Winans (born 1936), American poet, essayist, short story writer and publisher
A.D., nickname of Adrian Peterson (born 1985), American football player

Places

AD, ISO 3166-1 country for Andorra
Abu Dhabi, capital of the United Arab Emirates
AD, herbarium code for the State Herbarium of South Australia
Andhra Pradesh, a state in southern India (HASC code)

Professions

Art director, for a magazine or newspaper
Assistant director, a film or television crew member
Athletic director, the administrator of an athletics program

Science and technology

Biology and medicine

Addison's disease, an endocrine disorder
Adenovirus, viruses of the family Adenoviridae
Alzheimer's disease, a neurodegenerative disease
Anaerobic digestion, processes by which microorganisms break down biodegradable material
Anti-diarrheal, medication which provides symptomatic relief for diarrhea
Approximate digestibility, an index measure of the digestibility of animal feed
Atopic dermatitis, form of skin inflammation
Atypical depression, a type of depression
Autosomal dominant, a classification of genetic traits
Autonomic dysreflexia, a potential medical emergency

Chemistry

Adamantyl, abbreviated "Ad" in organic chemistry
Sharpless asymmetric dihydroxylation, a type of organic chemical reaction

Computing

.ad, the top level domain for Andorra
Administrative distance, a metric in routing
Active Directory, software for the management of Microsoft Windows domains
Administrative domain, a computer networking facility
Analog-to-digital converter, a type of electronic circuit
Automatic differentiation, a set of computer programming techniques to speedily compute derivatives
AD₁₆, the hexadecimal number equal to decimal number 173

Mathematics

Adjoint representation of a Lie group, abbreviated "Ad" in mathematics
Axiom of determinacy, a set theory axiom

Physics

Antiproton Decelerator, a device at the CERN physics laboratory
Autodynamics, a physics theory

Other uses in science and technology

Active disassembly, a technology supporting the cost-effective deconstruction of complex materials

Transportation

AD, IATA code for:
- Air Paradise, a defunct Indonesian airline
- Azul Brazilian Airlines
Airworthiness Directive, an aircraft maintenance requirement notice

Other uses

ʿĀd, an ancient Arab tribe, mentioned in the Quran
Aggregate demand, in macroeconomics
Anno Diocletiani, an alternative year numbering system
United States Academic Decathlon, a high school academic competition