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:
“For a long time, I went to bed early. Sometimes, my candle barely put out, my eyes closed so quickly that I did not have the time to say to myself: “I am falling asleep”.”
—Marcel Proust (1871–1922)
“One man’s observation is another man’s closed book or flight of fancy.”
—Willard Van Orman Quine (b. 1908)
“No domain of nature is quite closed to man at all times.”
—Henry David Thoreau (1817–1862)