Cycle

Look up cycle, cyclic, or cyclical in Wiktionary, the free dictionary.

Cycle or cyclic may refer to:

In transportation:

• 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 mathematics and physics:

• Cycle (mathematics), into which any permutation may be decomposed
  • Algebraic cycle and Hodge cycle, homology classes in algebraic geometry
  • Cycle (graph theory), a nontrivial path from a node to itself
  • Cyclic (mathematics), terms in mathematics beginning with cyclic or cycle
  • Turn (geometry) or cycle, a unit of plane angle equal to 360 degrees
• Oscillation, is a cyclic event in physics, typically cyclic in time
  • Periodicity for time series or spatial organisation
  • Vibration, a mechanical oscillation around an equilibrium point
  • Wave, a disturbance propagating through space and time, often cyclic

In other sciences and engineering:

• In ecology and Earth science, a biogeochemical cycle or nutrient cycle is a pathway by which a chemical element or molecule moves through compartments of Earth.
• Business cycle, the repetitive expansions and contractions of the macroeconomy
• Cyclic compound, a chemical compound in which a series of carbon atoms form a loop
• Duty cycle in electronics and telecommunication
• Instruction cycle, in computers
• Menstrual cycle, a 23 to 35 day long cycle of physiologic changes that occurs in reproductive-age females

In literature:

• a literary cycle
  • Epic Cycle, a set of ancient Greek epic poems about the Trojan War
  • The Fenian Cycle, the Mythological Cycle, the Ulster Cycle, and the Historical Cycle are the four classical cycles in the early Irish literature

Miscellaneous:

• Cycle (baseball), a single, double, triple, and home run in a single game of baseball
• Cycle (film), a 2008 Malayalam film

See also

• List of cycles

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