Closed may refer to:
Math
- Closure (mathematics)
- Closed manifold
- Closed orbits
- Closed set
- Closed differential form
- Closed map, a function that is closed.
Other
- Closed (poker), a betting round where no player will have the right to raise
- Closed GmbH, a German fashion brand
- Closed (album), 2010 album by Bomb Factory
Famous quotes containing the word closed:
“We are closed in, and the key is turned
On our uncertainty;”
—William Butler Yeats (1865–1939)
“One man’s observation is another man’s closed book or flight of fancy.”
—Willard Van Orman Quine (b. 1908)
“On a flat road runs the well-trained runner,
He is lean and sinewy with muscular legs,
He is thinly clothed, he leans forward as he runs,
With lightly closed fists and arms partially raised.”
—Walt Whitman (1819–1892)