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

**Cycle**, **cycles**, or **cyclic** may refer to:

## Anthropology and social sciences

- Cyclic history, a theory of history
- Cyclical theory, a theory of American political history associated with Arthur Schlesinger, Sr.
- Social cycle, various cycles in social sciences
- Business cycle, the downward and upward movement of gross domestic product (GDP) around its ostensible, long-term growth trend

## Arts, entertainment, and media

### Films

*Cycle*(2008 film), a Malayalam film*Cycle*(2017 film), a Marathi film

### Literature

*Cycle*(magazine), an American motorcycling enthusiast magazine- Literary cycle, a group of stories focused on common figures

### Music

#### Musical terminology

- Cycle (music), a set of musical pieces that belong together
- Cyclic form, a technique of construction involving multiple sections or movements
- Interval cycle, a collection of pitch classes generated from a sequence of the same interval class
- Song cycle, individually complete songs designed to be performed in a sequence as a unit

#### Albums

*Cycle*(Merzbow album), 2003*Cycle*, a 2014 Buckethead album*Cycle*(Paul Horn album), 1965*Cycles*(Cartel album), 2009*Cycles*(David Darling album), 1981*Cycles*(The Doobie Brothers album), 1989*Cycles*(Frank Sinatra album), 1968*Cycles*(Redbone album), 1977*Cycles*(Sam Teskey album), 2021

#### Songs

- "Cycles" (Tove Lo song), 2018
- "Cycle" an interlude by Beck from
*Morning Phase*, 2014

## Science, technology, and mathematics

### Biology

- Cycle (gene), a gene in Drosophila melanogaster that encodes the CYCLE protein
- Cyclic flower, in botany, one way in which flower parts may be arranged
- Menstrual cycle

### Computing

- Cycles, a render engine for the software Blender
- Instruction cycle, the time period during which a computer processes a machine language instruction
- Reference cycle, where a software object refers directly or indirectly to itself

### Mathematics

- Cycle (algebraic topology), a simplicial chain with 0 boundary
- Cycle (geometry) or turn (also: revolution), a unit of plane angle equivalent to 360 degrees
- Cycles per second, a unit of frequency, the modern equivalent being hertz

- Cycle (graph theory), a nontrivial path in a graph from a node to itself
- Cycle graph, a graph that is itself a cycle
- Cycle matroid, a matroid derived from the cycle structure of a graph

- Cycle (sequence), a sequence with repeating values
- Cycle detection, the algorithmic problem of detecting eventual repetitions in sequences generated by iterated functions

- Cycle, a set equipped with a cyclic order
- Necklace (combinatorics), equivalence classes of cyclically ordered sequences of symbols modulo certain symmetries

- Cyclic (mathematics), a list of mathematics articles with "cyclic" in the title
- Cyclic group, a group generated by a single element
- Cyclic permutation, a basic permutation (all permutations are products of cycles)

### Other uses in science and technology

- Charge cycle, charging and discharging a rechargeable battery
- Thermodynamic cycle, a sequence of processes that involve transfer of heat and work into and out of a system
- Cyclic, a primary flight control for helicopters
- Cyclic compound

## Vehicles

## Other uses

- Cycle (baseball), a single, double, triple, and home run (in any order) by the same player in one game
- Cycle, North Carolina, a community in the United States

## See also

- Frequency (disambiguation)
- List of cycles
- Periodicity (disambiguation)
- The Cycle (disambiguation)
- All pages with titles beginning with
*Cycle* - All pages with titles containing
*Cycle* - All pages with titles beginning with
*cycl* - All pages with titles containing
*cycl*