Open

Open may refer to:

Philosophy

• Openness, term being used to define the basis of how various groups and organizations operate

Mathematics

• Open problem, a well-defined problem with no known solution in science and mathematics
• Open set, set in topology and related fields of mathematics
• Opening (morphology), an operator in mathematical morphology
• Open map, a function that is open

Music and media

• Open (Shaznay Lewis album), 2004 album by Shaznay Lewis
• Open (Blues Image album), Blues Image's second album
• Open (Cowboy Junkies album), an album by the Canada band Cowboy Junkies, released in 2001
• Open (Gotthard album), the fourth studio album by the hard rock band Gotthard
• Open (YFriday album), the second studio album from the Christian band yFrida, released in 2001
• Open, 1967 album by Julie Driscoll, Brian Auger and the Trinity
• Open (band), Australian pop/rock band
• "Open", a song by The Cure on their album Wish
• Open Season (film), a 2006 movie made in Sony Animation
• Open...., the original interactive television service on BSkyBs Sky Digital platform
• Open (Jon Anderson album), a 2011 album released through Digital Download

Language and literature

• Open vowel, vowel sound of a type used in most spoken languages
• Open (magazine), a lifestyle Mexican publication
• OPEN (Indian magazine), an Indian weekly English language magazine featuring current affairs
• Open: An Autobiography, by Andre Agassi (2010)

Electronics and computer science

• open (process), Nextstep & Mac OS X command line application that opens its argument(s) in the GUI as if the user had double clicked
• Open-circuit voltage, in electronics, the absence of a load through which electric current would flow
• Open-source software, computer software modifiable by all, where users are treated as co-developers
• Open system (computing), computer systems that provide interoperability
• Open (system call), standardized system call for opening files

Other fields

• Open (sport), type of competition in tennis, golf and other sports where entry is open to all qualifiers regardless of age or ability
• Organization of Pakistani Entrepreneurs of North America, inclusive, not-for-profit organization
• Open surgery as opposed to minimally invasive surgery

See also

• Open-ended (disambiguation)
• Open mind (disambiguation)
• Open system (disambiguation)
• Open education
• Opening (disambiguation)
• Close (disambiguation)

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.