Look up open in Wiktionary, the free dictionary.

Open may refer to:

In philosophy

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

In 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

In music and media:

• Open (Shaznay Lewis album), 2004 album by Shaznay Lewis
• Open (Blues Image album)
• Open (Cowboy Junkies album)
• Open (Gotthard album)
• Open (YFriday album)
• Open, 1967 album by Julie Driscoll, Brian Auger and the Trinity
• Open (band), Australian pop/rock band
• Open (Q-Tip album), 2004 unreleased album by Q-Tip
• "Open", a song by The Cure on their album Wish
• Open Season, a movie made in Sony Animation.
• Open...., the original interactive television service on BSkyBs Sky Digital platform

In language and literature:

• Open vowel, vowel sound of a type used in most spoken languages
• Open (magazine), a lifestyle Mexican publication.

In electronics and computer science:

• open (application), 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 call), standardized system call for opening files.

In 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

[edit] See also

• Open-ended (disambiguation)
• Open mind (disambiguation)
• Open system (disambiguation)
• Open education
• Closed (disambiguation)

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