AAD may refer to:

Organizations

* ''Ad Altare Dei'', a Boy Scouts of America award * Advanced Automotive Design, a South African car manufacturer *

Ardent Leisure Ardent Leisure (formerly Macquarie Leisure Trust) is an Australian-based leisure company which owns and operates a leisure portfolio of over 100 assets across Australia, New Zealand and the United States. It is most known for its operation of th ...

, an Australian-based leisure company * AAD Education, Health and Sports (formerly, Athletes Against Drugs), an organization founded by

Stedman Graham Stedman Graham (born March 6, 1951) is an American educator, author, businessman, and public speaker. He is the long-term partner of Oprah Winfrey. Early life and education Graham was born on March 6, 1951, in the Whitesboro section of Middle ...

American Academy of Dermatology The American Academy of Dermatology (AAD) is a non-profit professional organization of dermatologists in the United States and Canada, based in Rosemont, Illinois, near Chicago. It was founded in 1938 and has more than 20,500 members. The Academy ...

* Australian Antarctic Division, which manages Australia's four Antarctic/sub-Antarctic stations, as well as Heard Island

Science and technology

* Average absolute deviation, a measure of absolute deviation and a way to report error against reference data in statistics * Advanced Air defence, an anti-ballistic missile in the

Indian Ballistic Missile Defence Programme The Indian Ballistic Missile Defence Program is an initiative to develop and deploy a multi-layered ballistic missile defence system to protect India from ballistic missile attacks. It was launched in 2000 after Kargil War by the Atal Bihari Vaj ...

Aviation

* Automatic activation device, a fail-safe device often used in a parachute pack *

Adado Airport Adado Airport , also known as Cadaado Airport ( so, Gegada Diyaaradaha Cadaado), is an airport serving the town of Adado in Adado District, Somalia. Airlines and destinations See also * * * List of airports in Somalia * Transport in Somalia ...

, airport serving Adado, Somalia (IATA code: AAD)

Computing

* aad, or "ASCII Adjust before Division", an

Intel BCD opcode The Intel BCD opcodes are a set of six x86 instructions that operate with binary-coded decimal numbers. The radix used for the representation of numbers in the x86 processors is 2. This is called a binary numeral system. However, the x86 processo ...

* AAD, the SPARS code for a CD that was recorded analog, mixed analog, and transferred digitally * Additional Authenticated Data passed to an "Authenticated Encryption with Associated Data" (

AEAD Authenticated Encryption (AE) and Authenticated Encryption with Associated Data (AEAD) are forms of encryption which simultaneously assure the confidentiality and authenticity of data. Programming interface A typical programming interface for ...

) block cipher mode of operation * Microsoft Azure active directory

Medicine

* Antibiotic-associated diarrhea * 7-Aminoactinomycin D (7-AAD), a fluorescent stain for DNA * Acute aortic dissection, a type of Aortic dissection * Antiarrhythmic drug, another name for antiarrhythmic agent

Other uses

* Amal language, a language of Papua New Guinea *

Attitude-toward-the-ad models Attitude toward the ad is defined as "a predisposition to respond in a favorable or unfavorable manner to a particular advertising stimulus during a particular exposure occasion."Lutz. R. J. (1985). Affective and cognitive antecedents of attitude ...

in marketing is a way of measuring the success of an advertisement * Africa Aerospace and Defence, an annual trade show in South Africa