Look up app in Wiktionary, the free dictionary.
App is short for application. It could also refer to:
- .APP (filename), filename extension for Symbian OS applications
- Adjusted Peak Performance, a metric to measure computing performance in 64-bit processors and above
- Advanced Placement Program
- Amyloid precursor protein, a protein fragment associated with some neurological disorders
- Associated Press of Pakistan
- The Alan Parsons Project, a progressive rock band
- Application software, a type of computer program
- Atom Publishing Protocol, a protocol for creating and updating web resources
- Asia Pulp & Paper
- Alberta Pension Plan, a proposed alternative to the Canada Pension Plan
- Alberta Provincial Police Force, a Canadian police force from 1917-1932
- Asia-Pacific Partnership
- Amplified PP, a complexity class [1]
[edit] Political parties
- Anticlerical Progress Party REASON, a Polish political party
- Austrian People's Party, an Austrian political party
- American People's Party, an American political party
- Alliance populaire progressiste, a Mauritanian political party
[edit] Railway codes
- Appleton, Wisconsin, in Amtrak's three-letter code
- Appleby railway station, England, in National Rail's code
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