AD
(Redirected from A.D.)
Categories: Lists of two-letter combinations
AD or ad may stand for:
- .ad, the ccTLD (Internet Top Level Domain) for Andorra
- AD, the 2-letter ISO 3166-1 country code for Andorra
- Assistant director
- Alzheimer's disease
- Artium Doctor (Doctor of Arts)
- Media
- Arrested Development (TV Series), a Fox Network TV program
- Algemeen Dagblad, a Dutch newspaper.
- Language
- Anno Domini, Latin for "In the Year of the Lord"). This year is AD 2005.
- anni Diocletiani
- ad- prefix
- ad for advertisement, see advertising
- The word 'ad' is Latin for "at" or "to" in some phrases taken from Latin.
- Military
- Air defence
- Destroyer Tender a US Navy hull classification symbol
- The Air Department of the British Admiralty
- Science and Technology
- axiom of determinacy in set theory
- Ricardo Carezani's theory of Autodynamics in physics
- Audio Deck
- Auto Desk
- Administrative domain
- the Association of American Railroads reporting mark AD for Norfolk, Franklin and Danville Railway
- Microsoft's Active Directory
- the IATA code for Air Paradise
- In economics, AD is usually used to represent aggregate demand or aggregate expenditure.
- In recording, AD (or A/D) refers to an analog-to-digital converter.