Cycle or Cyclic may refer to:

• Motorcycle
• Bicycle
• Cycling, the act of riding a bicycle or tricycle
• Tricycle

In music:

• Cycle (music), a section of a piece that is repeated or repeatable
• Cyclic form, a technique of construction involving multiple sections or movements
• Cycles (The Doobie Brothers album)
• Cycles (Frank Sinatra album)

In other uses:

• Cycle (mathematics), into which any permutation may be decomposed
• Algebraic cycle and Hodge cycle, homology classes in Algebraic geometry
• Cycle (graph theory)
• Cycle (baseball), a single, double, triple, and home run in a single game of baseball
• Cycle (film), a 2008 Malayalam film
• Cyclic compound, a chemical compound in which a series of carbon atoms form a loop
• Epic Cycle, a set of ancient Greek epic poems about the Trojan War
• Menstrual cycle, a 23 to 35 day long cycle of physiologic changes that occurs in reproductive-age females
• The Fenian Cycle, the Mythological Cycle, the Ulster Cycle, and the Historical Cycle are the four classical cycles in the early Irish literature.
• Turn (geometry) or cycle, a unit of plane angle equal to 360 degrees

See also

• List of cycles
• Cyclic (mathematics)
• Duty cycle in electronics and telecommunication
• Instruction cycle, in computers
• Wave

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