AAD

AAD may refer to:

Organizations

• Ad Altare Dei, a Boy Scouts of America award
• Advanced Automotive Design, a South African car manufacturer
• AAD Education, Health and Sports (formerly, Athletes Against Drugs), an organization founded by Stedman Graham
• American Academy of Dermatology
• Australian Antarctic Division, which manages Australia's four Antarctic/sub-Antarctic stations, as well as Heard Island

Science and technology

Aviation

• Advanced Air defence, an anti-ballistic missile in the Indian Ballistic Missile Defence Programme
• Africa Aerospace and Defence Expo, a biennial trade show in South Africa
• Automatic activation device, a fail-safe device often used in a parachute pack
• IATA airport code for Adado Airport in Galguduud Region, Somalia

Computing

• aad, or "ASCII Adjust before Division", one of the Intel BCD opcodes
• Additional authenticated data passed to an "Authenticated Encryption with Associated Data" (AEAD) block cipher mode of operation
• Microsoft Azure active directory

Medicine and genetics

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

Other scientific and technological uses

• Average absolute deviation, a measure of absolute deviation and a way to report error against reference data in statistics
• AAD, the SPARS code for a CD that was recorded analog, mixed analog, and transferred digitally

Other uses

• Amal language, a language of Papua New Guinea
• Attitude-toward-the-ad models in marketing is a way of measuring the success of an advertisement

See also

• AD (disambiguation)
• 'Ad (disambiguation)