Look up closed in Wiktionary, the free dictionary.

Closed may refer to:

Contents

• Mathematics
• Sport
• Other uses
• See also

Mathematics

• Closure (mathematics), a set, along with operations, for which applying those operations on members always results in a member of the set
• Closed set, a set which contains all its limit points
• Closed interval, an interval which includes its endpoints
• Closed line segment, a line segment which includes its endpoints
• Closed manifold, a compact manifold which has no boundary
• Closed differential form, a differential form whose exterior derivative is 0

Sport

• Closed tournament, a competition open to a limited category of players
• Closed (poker), a betting round where no player will have the right to raise

Other uses

• Closed (album), a 2010 album by Bomb Factory
• Closed GmbH, a German fashion brand
• Closed class, in linguistics, a class of words or other entities which rarely changes

See also

• All pages with titles beginning with Closed
• Close (disambiguation)
• Closed loop (disambiguation)
• Closing (disambiguation)
• Closure (disambiguation)
• Open (disambiguation)

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