Editing Cycle (section)

== Science, technology, and mathematics ==
{{for|use in social sciences|#Anthropology and social sciences}}
{{for|vehicles|#Vehicles}}
=== 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 (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 (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 repetitions in sequences generated by iterated functions
* Cycle, a set equipped with a [[cyclic order]]
** [[Necklace (combinatorics)]], an 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 ===
* [[Cycle (angular unit)]], a unit of plane angle or rotation
* [[Charge cycle]], charging and discharging a rechargeable battery
* [[Thermodynamic cycle]], a sequence of processes that transfer heat and work into and out of a system
* [[Wave cycle]], the repeatable part of a periodic wave
* Cyclic, a primary [[Helicopter flight controls#Cyclic|flight control for helicopters]]
* [[Cyclic compound]]
* ''Cycle'' in [[cycle per second]], which is a unit of frequency (rate of repetition)
** A period in [[alternating current]]