UDF
Encyclopedia
Aviation
- UHF Direction Finder, a kind of radio direction findingDirection findingDirection finding refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication...
(RDF) - Unducted fan, a type of jet engine
- User Development Fee - Airport Tax
Computer Science
- Uniqueness Database FileUniqueness Database FileIn Microsoft Windows system administration, a Uniqueness Database File is a text file that enables the administrator to supply the information that must be unique to each computer or each user. Used in conjunction with a single answer file, when Windows XP Professional is deployed to several...
s, a Windows XP Professional configuration text file - Universal Disk FormatUniversal Disk FormatUniversal Disk Format is an implementation of the specification known as ISO/IEC 13346 and ECMA-167 and is an open vendor-neutral file system for computer data storage for a broad range of media. In practice, it has been most widely used for DVDs and newer optical disc formats, supplanting ISO 9660...
, an operating-system-independent file system commonly used on DVD and other digital media - User Defined Field, a user-defined field that can be added to tables in a database
- User-defined function, is a function provided by the user of a program or environment
Politics
- Ulster Defence Force, a loyalist paramilitary group in Northern Ireland
- Union Defence Force (disambiguation)
- Union of Democratic ForcesUnion of Democratic ForcesUnion of Democratic Forces or Union of the Democratic Forces is the name of:*Union of Democratic Forces *Union of Democratic Forces *Union of Democratic Forces *Union of Democratic Forces...
, the name of a number of political parties - Union for French DemocracyUnion for French DemocracyThe Union for French Democracy was a French centrist political party. It was founded in 1978 as an electoral alliance to support President Valéry Giscard d'Estaing in order to counterbalance the Gaullist preponderance over the right. This name was chosen due to the title of Giscard d'Estaing's...
or , a centrist French political party - Union of Democratic ForcesUnion of Democratic Forces (Bulgaria)The Union of Democratic Forces is a political party in Bulgaria, founded in 1989 as a union of several political organizations in opposition to the communist government. In February 1997 the Union was transformed into a single unified party with the same name...
(СДС), a political party in Bulgaria - United Democratic ForcesUnited Democratic ForcesThe United Democratic Forces were a center-right electoral alliance in Bulgaria, led by the Union of Democratic Forces.-Members of the coalition:1997 *Union of Democratic Forces...
(ОДС), an electoral alliance in Bulgaria - United Democratic Forces of BelarusUnited Democratic Forces of BelarusThe United Democratic Forces of Belarus is a coalition of political parties participating as the main opposition group during the 2006 presidential election...
, a coalition of political parties participating as the main opposition group during the 2006 presidential election - United Democratic FrontUnited Democratic Front*United Democratic Front *United Democratic Front *United Democratic Front , a political party in Malawi, which won the 2005 general election.*United Democratic Front *United Democratic Front...
, the name of several political parties. - United Democratic Front (South Africa)United Democratic Front (South Africa)The United Democratic Front was one of the most important anti-apartheid organisations of the 1980s. The non-racial coalition of about 400 civic, church, students', workers' and other organisations was formed in 1983, initially to fight the just-introduced idea of the Tricameral Parliament The...
, a former anti-Apartheid movement in South Africa
Other
- Ultra Deep Field, a view of the distant universe taken in 2004 by the Hubble space telescope
- United Dairy FarmersUnited Dairy FarmersUnited Dairy Farmers is a chain of shops offering ice cream and other dairy products started by Carl Lindner, Sr. and Carl Lindner, Jr. in 1938. The first United Dairy Farmers store, at 3955 Main Avenue in Norwood, Ohio, opened on May 8, 1940...
, an American chain of ice cream shops - Up Side Down Suspension Forks, used in MotorcycleMotorcycleA motorcycle is a single-track, two-wheeled motor vehicle. Motorcycles vary considerably depending on the task for which they are designed, such as long distance travel, navigating congested urban traffic, cruising, sport and racing, or off-road conditions.Motorcycles are one of the most...
s and Mountain bikeMountain bikeA mountain bike or mountain bicycle is a bicycle created for off-road cycling. This activity includes traversing of rocks and washouts, and steep declines,...
s - Uncharted: Drake's Fortune, a 2007 PlayStation 3 action-adventure video game developed by Naughty Dog