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Topics referred to by the same term
Look up cycle, cyclic, or cyclical in Wiktionary, the free dictionary. Cycle, cycles, or cyclic may refer to: Cyclic history, a theory of history Cyclical
Cycle
History of the Trojan War told in poems
The Epic Cycle (Ancient Greek: Ἐπικὸς Κύκλος, romanized: Epikòs Kýklos) was a collection of Ancient Greek epic poems, composed in dactylic hexameter and
Epic_Cycle
Topics referred to by the same term
The Cycle may refer to: The Cycle (1975 film), an Iranian film The Cycle (2009 film), a Canadian/Czech horror film "The Cycle" (The Amazing World of Gumball)
The_Cycle
Polynomial in combinatorial mathematics
In combinatorial mathematics a cycle index is a polynomial in several variables which is structured in such a way that information about how a group of
Cycle_index
Historical method for reckoning time in China
The sexagenary cycle, liùshí huājiǎ (六十花甲), also known as the gānzhī (干支) or stems-and-branches, is a cycle of sixty terms used to designate successive
Sexagenary_cycle
Charging and discharging a battery
A charge cycle is the process of charging a rechargeable battery and discharging it as required into a load. The term is typically used to specify a battery's
Charge_cycle
Natural changes in the human female reproductive system
The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system
Menstrual_cycle
Competitive physical activity using bicycles
mountain bike racing, track cycling, BMX, and cycle speedway. Non-racing cycling sports include artistic cycling, cycle polo, freestyle BMX, mountain
Cycle_sport
Ovulation cycle occurring in most female mammalian therians
The estrous cycle (US-EN; /ˈɛstrəs/) or oestrous cycle (UK-EN; /ˈiːstrəs/) (from Latin oestrus 'frenzy', originally from Ancient Greek οἶστρος (oîstros) 'gadfly')
Estrous_cycle
Group of songs designed to be performed in sequence as a single entity
A song cycle (German: Liederkreis or Liederzyklus) is a group or cycle of individually complete songs designed to be performed in sequence as a unit.
Song_cycle
Biogeochemical cycle for movement of water on Earth
The water cycle (or hydrologic cycle or hydrological cycle) is a biogeochemical cycle that involves the continuous change in form of water on, above and
Water_cycle
Periodic change in the Sun's activity
The Solar cycle, also known as the solar magnetic activity cycle, sunspot cycle, or Schwabe cycle, is a periodic 11-year change in the Sun's activity
Solar_cycle
Topics referred to by the same term
life cycle in Wiktionary, the free dictionary. Life cycle, life-cycle, or lifecycle may refer to: Life Cycles (The Word Alive album), 2012 Life Cycle (Dave
Life_cycle
Events leading to cell division
The cell cycle, or cell-division cycle, is the sequence of events that take place in a cell and lead to its division into two daughter cells. These events
Cell_cycle
Bicycle manufacturing company
Triumph Cycle Co. Ltd., based in Nottingham, England, was a bicycle manufacturing company. The genesis of what would become Triumph Cycle Company began
Triumph_Cycle
Idealized thermodynamic cycle
A Carnot cycle is an ideal thermodynamic cycle proposed by French physicist Sadi Carnot in 1824 and expanded upon by others in the 1830s and 1840s. By
Carnot_cycle
All even-degree subgraphs of a graph
In graph theory, a branch of mathematics, the (binary) cycle space of an undirected graph is the set of its even-degree spanning subgraphs, or the set
Cycle_space
Sequence of steps for decision-making
A decision cycle or decision loop is a sequence of steps used by an entity on a repeated basis to reach and implement decisions and to learn from the
Decision_cycle
Activity of riding a bicycle
Cycling, also known as bicycling or biking, is the activity of riding a bicycle or other types of pedal-driven human-powered vehicles such as balance
Cycling
Light-independent reactions in photosynthesis
The Calvin cycle, light-independent reactions, bio synthetic phase, dark reactions, or photosynthetic carbon reduction (PCR) cycle of photosynthesis is
Calvin_cycle
Metabolic process
A futile cycle, also known as a substrate cycle, occurs when two metabolic pathways run simultaneously in opposite directions and have no overall effect
Futile_cycle
Nuclear fusion reaction
In astrophysics, the carbon–nitrogen–oxygen cycle (CNO cycle), sometimes called Bethe–Weizsäcker cycle after Hans Albrecht Bethe and Carl Friedrich von
CNO_cycle
Pathway that chemical elements take in the surface and crust of the Earth
geochemical cycles: Deep water cycle Deep carbon cycle (is part of carbon cycle) Iron cycle Carbonate–silicate cycle Phosphorus cycle Sulfur cycle Rock cycle Mercury
Geochemical_cycle
Cycle of Satya, Treta, Dvapara and Kali yugas (ages) in Hindu cosmology
A Yuga Cycle (a.k.a. chatur yuga, maha yuga, etc.) is a cyclic age (epoch) in Hindu cosmology. Each cycle lasts for 4,320,000 years (12,000 divine years)
Yuga_cycle
cycle is a group of stories focused on common figures, often (though not necessarily) based on mythical figures or loosely on historical ones. Cycles
Literary_cycle
Natural processes of carbon exchange
The carbon cycle is a part of the biogeochemical cycle where carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere
Carbon_cycle
Performance of the human heart
beats per minute, each cardiac cycle, or heartbeat, takes about 0.8 second to complete the cycle. Duration of the cardiac cycle is inversely proportional to
Cardiac_cycle
19 solar year recurrence of lunar phases
The Metonic cycle or enneadecaeteris (from Ancient Greek: ἐννεακαιδεκαετηρίς, from ἐννεακαίδεκα, "nineteen") is a period of almost exactly 19 years after
Metonic_cycle
Interconnected biochemical reactions releasing energy
The citric acid cycle—also known as the Krebs cycle, Szent–Györgyi–Krebs cycle, or TCA cycle (tricarboxylic acid cycle)—is a series of biochemical reactions
Citric_acid_cycle
Group of epic poems
parts of the so-called Lorraine cycle, which was expanded in the 13th century by a prequel and three sequels. The cycle is one of the fiercest and most
Lorraine_cycle
Thermodynamic cycle
The Atkinson-cycle engine is a type of internal combustion engine invented by James Atkinson in 1882. The Atkinson cycle is designed to provide efficiency
Atkinson_cycle
Grouping of Irish myths
The Ulster Cycle (Irish: an Rúraíocht), formerly known as the Red Branch Cycle, is a body of medieval Irish heroic legends and sagas of the Ulaid. It
Ulster_Cycle
Epic poems loosely based on the First Crusade
The Crusade cycle is an Old French literary cycle of chansons de geste concerning the First Crusade and its aftermath. The cycle contains a number of initially
Crusade_cycle
Graph with nodes connected in a closed chain
In graph theory, a cycle graph or circular graph is a graph that consists of a single cycle, or in other words, some number of vertices (at least 3, if
Cycle_graph
Graphical presentation of the maturity of specific technologies
Gartner hype cycle is a graphical presentation to represent the maturity, adoption, and social application of specific technologies. The hype cycle's veracity
Gartner_hype_cycle
Set of processes exchanging nutrients between parts of a system
nutrients is cyclic. Mineral cycles include the carbon cycle, sulfur cycle, nitrogen cycle, water cycle, phosphorus cycle, oxygen cycle, among others that continually
Nutrient_cycle
Involvements the Hirschman cycle attempts to describe cycles in American political power. Simply put, the Hirschman cycle states that since the Industrial
Hirschman_cycle
Form of bicycle racing on short oval dirt tracks
Cycle speedway is a form of bicycle racing on short oval dirt tracks, usually outdoors, occasionally indoors, typically 70–90 metres long. Like motorcycle
Cycle_speedway
Series of books by Christopher Paolini
The Inheritance Cycle is a tetralogy of young adult high fantasy novels written by American author Christopher Paolini. Set in the fictional world of
The_Inheritance_Cycle
Measure of software development speed
Cycle time measures how long it takes to process a given job - whether it's a client request, an order, or a defined production process stage. The Project
Cycle_time
Nonsexual mechanism for transferring genetic material without meiosis
The parasexual cycle, a process restricted to fungi and single-celled organisms, is a nonsexual mechanism of parasexuality for transferring genetic material
Parasexual_cycle
In mathematics, an algebraic cycle on an algebraic variety V is a formal linear combination of subvarieties of V. These are the part of the algebraic
Algebraic_cycle
Pedal-powered version of the rickshaw
The cycle rickshaw is a small-scale means of local transport. A type of tricycle designed to carry passengers on a for-hire basis, it may also be known
Cycle_rickshaw
Levantine mythological cycle of stories
The Baal Cycle is an Ugaritic text (c. 1300–1100 BCE) about the Canaanite god Baʿal (𐎁𐎓𐎍 lit. "Owner", "Lord"), a storm god associated with fertility
Baal_Cycle
Thermodynamic cycle
The Brayton cycle, also known as the Joule cycle, is a thermodynamic cycle that describes the operation of certain heat engines that have air or some other
Brayton_cycle
Calculation and prediction of eclipses
separated by certain intervals of time: these intervals are called eclipse cycles. The series of eclipses separated by a repeat of one of these intervals
Eclipse_cycle
Biogeochemical cycle by which nitrogen is converted into various chemical forms
The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial
Nitrogen_cycle
Set of biochemical reactions
The urea cycle (also known as the ornithine cycle) is a cycle of biochemical reactions that produces urea (NH2)2CO from ammonia (NH3). Animals that use
Urea_cycle
Thermodynamic cycle for spark ignition piston engines
An Otto cycle (named after Nicolaus Otto) is an idealized thermodynamic cycle that describes the functioning of a typical spark ignition piston engine
Otto_cycle
Hitting a single, double, triple, and a home run in one game of baseball
a "natural cycle". Cycles are rare in Major League Baseball (MLB), having occurred fewer than 400 times since 1882. The most recent cycle in MLB was accomplished
Hitting_for_the_cycle
Grouping of Irish myths
The Fenian Cycle (/ˈfiːniən/), Fianna Cycle or Finn Cycle (Irish: an Fhiannaíocht) is a body of early Irish literature focusing on the exploits of the
Fenian_Cycle
Metabolic pathway for transport of energy into and removal of ammonia from muscles
The Cahill cycle, also known as the alanine cycle or glucose-alanine cycle, is the series of reactions in which amino groups and carbons from muscle are
Cahill_cycle
Topics referred to by the same term
Look up power-cycle in Wiktionary, the free dictionary. Power cycle may refer to: Power cycling, the act of turning a piece of equipment off and then
Power_cycle
Process of virus reproduction
Lysogeny, or the lysogenic cycle, is one of two cycles of viral reproduction (the lytic cycle being the other). Lysogeny is characterized by integration
Lysogenic_cycle
Team sport originating in Ireland; related to polo but played on bicycles
Cycle polo, bicycle polo, or bike polo (polo-vélo in French; Radpolo in German) is a team sport, similar to traditional polo, except that bicycles are
Cycle_polo
Model that is used to predict the performance of steam turbine systems
The Rankine cycle is an idealized thermodynamic cycle describing the process by which certain heat engines, such as steam turbines or reciprocating steam
Rankine_cycle
The term information cycle refers to the way information is processed and distributed and how it changes over time. It is usually used to describe the
Information_cycle
Book series by Stephen Lawhead
The Pendragon Cycle is a series of historical fantasies written by Stephen R. Lawhead that were inspired by the Arthurian legend. The cycle was originally
The_Pendragon_Cycle
Science fiction series by Ursula K. Le Guin
The Hainish Cycle consists of a number of science fiction novels and stories by Ursula K. Le Guin. The cycle is set in a future history that features civilizations
Hainish_Cycle
How people learn from experience
A learning cycle is a concept of how people learn from experience. A learning cycle will have a number of stages or phases, the last of which can be followed
Learning_cycle
Series of fantasy short stories by Clark Ashton Smith
Hyperborean cycle is a series of short stories by Clark Ashton Smith that take place in the fictional prehistoric setting of Hyperborea. Smith's cycle takes
Hyperborean_cycle
Chemical transfer pathway between Earth's biological and non-biological parts
biogeochemical cycles include the carbon cycle, the nitrogen cycle and the water cycle. In each cycle, the chemical element or molecule is transformed and cycled by
Biogeochemical_cycle
Topics referred to by the same term
Spin cycle refers to the spinning wash cycle of a washing machine. Spin Cycle may also refer to: Spin Cycle: Inside the Clinton Propaganda Machine (1998)
Spin_cycle
Cycle of four operas by Richard Wagner
Der Ring des Nibelungen (The Ring of the Nibelung), WWV 86, is a cycle of four German-language epic music dramas composed by Richard Wagner. The works
Der_Ring_des_Nibelungen
In atmospheric chemistry, a null cycle is a catalytic cycle that simply interconverts chemical species without leading to net production or removal of
Null_cycle
Medical emergency response via bicycle
A cycle responder is a medically trained responder, such as a paramedic or first aider that uses a bicycle to respond to a medical emergency. They are
Cycle_responder
Engine combustion process
The Diesel cycle is a combustion process of a reciprocating internal combustion engine. In it, fuel is ignited by heat generated during the compression
Diesel_cycle
Concept in psychology
Stages of Loss", "The Kübler-Ross Model", the "Kübler-Ross Grief Cycle", the "Grief Cycle", "The Seven Stages of Grief", and the "Kübler-Ross Change Curve"
Five_stages_of_grief
Classic Chinese Philosophies
Dynastic cycle (traditional Chinese: 朝代循環; simplified Chinese: 朝代循环; pinyin: Cháodài Xúnhuán) is an important political theory in the history of China
Dynastic_cycle
Violent behavior learned as a child, and then repeated as an adult
The term cycle of violence refers to repeated and dangerous acts of violence as a cyclical pattern, associated with high emotions and doctrines of retribution
Cycle_of_violence
American fantasy novel series
The Riftwar Cycle is the name given to the series of books authored or co-authored by Raymond E. Feist that revolve around the fantasy worlds of Midkemia
The_Riftwar_Cycle
Linked cyclic series of thermodynamic processes
A thermodynamic cycle consists of linked sequences of thermodynamic processes that involve transfer of heat and work into and out of the system, while
Thermodynamic_cycle
Topics referred to by the same term
and combinatorial optimization, cycle cover may refer to: Vertex cycle cover Vertex disjoint cycle cover Edge cycle cover Other possible meanings include:
Cycle_cover
Short story series by H. P. Lovecraft
The Dream Cycle is a series of short stories and novellas by author H. P. Lovecraft (1890–1937). Written between 1918 and 1932, they are about the "Dreamlands"
Dream_Cycle
The publication cycle is the process through which authors take their ideas and put them into viewable form. This includes all forms of publication, from
Publication_cycle
Literary work
The Theban Cycle (Greek: Θηβαϊκὸς Κύκλος) is a collection of four lost epics of ancient Greek literature which tells the mythological history of the Boeotian
Theban_Cycle
2026 American TV series or program
Pendragon Cycle: Rise of the Merlin is an American historical fantasy television series created for DailyWire+. Based on the book series The Pendragon Cycle by
The Pendragon Cycle: Rise of the Merlin
The_Pendragon_Cycle:_Rise_of_the_Merlin
Science fiction novels by Stephen R. Donaldson
The Gap Cycle is a series of science fiction novels by Stephen R. Donaldson, more usually known for his works of epic fantasy. The series was originally
The_Gap_Cycle
Turning equipment off and then on again
Power cycling is the act of turning a piece of equipment, usually a computer, off and then on again. Reasons for power cycling include having an electronic
Power_cycling
Intervals of expansion and recession in economic activity
Business cycles are intervals of general expansion followed by recession in economic performance. The changes in economic activity that characterize business
Business_cycle
Biological process
In chronobiology, the circannual cycle is characterized by biological processes and behaviors recurring on an approximate annual basis, spanning a period
Circannual_cycle
1983 novella by Stephen King
Cycle of the Werewolf is a horror novella by American writer Stephen King, featuring illustrations by comic-book artist Bernie Wrightson. Each chapter
Cycle_of_the_Werewolf
Quantum mechanical phenomenon
In physics, the Rabi cycle (or Rabi flop) is the cyclic behaviour of a two-level quantum system in the presence of an oscillatory driving field. A great
Rabi_cycle
Topics referred to by the same term
In mathematics, the term cycle decomposition can mean: Cycle decomposition (graph theory), a partitioning of the vertices of a graph into subsets, such
Cycle_decomposition
Basic instruction cycle in a computer
The instruction cycle (also known as the fetch–decode–execute cycle, or simply the fetch–execute cycle) is the cycle that the central processing unit (CPU)
Instruction_cycle
60 Cycle was an American rock band from Los Angeles, California, United States, formed in 1993. The band's line-up included founder and principal songwriter
60_Cycle
Conventional division in Irish mythology
story 'cycles' of early Irish myth and legend, along with the Ulster Cycle, the Fianna Cycle and the Cycles of the Kings. The name "Mythological Cycle" seems
Mythological_Cycle
Four-stage model of physiological responses to sexual stimulation
The human sexual response cycle is a four-stage model of physiological responses to sexual stimulation, which, in order of their occurrence, are the excitement
Human_sexual_response_cycle
Activity fraction of a periodic system
A duty cycle or power cycle is the fraction of one period in which a signal or system is active. Duty cycle is commonly expressed as a percentage or a
Duty_cycle
Geophysical model of the opening and closing of rifts
The Wilson Cycle is a model that describes the opening and closing of ocean basins and the subduction and divergence of tectonic plates during the assembly
Wilson_Cycle
Topics referred to by the same term
Energy cycles are based on the fact that in physics, energy is conserved and may in particular refer to: Solar–hydrogen energy cycle Lorenz energy cycle In
Energy_cycle
Series of stages of an organism
In biology, a life cycle (or biological life cycle when the context is not clear) is a series of stages of the life of an organism. It begins as a zygote
Biological_life_cycle
Series of Norse mythological legends
The Völsung Cycle is a series of legends in Norse mythology first extensively recorded in medieval Iceland, but which were also known in Sweden (as seen
Völsung_Cycle
Wheeled vehicle propelled by a rowing motion of the body
A rowing cycle is a wheeled vehicle propelled by a rowing motion of the body. Steering, braking, and shifting are usually done by the handlebars. Feet
Rowing_cycle
Series of interconnected biochemical reactions
The Cori cycle (also known as the lactic acid cycle), named after its discoverers, Carl Ferdinand Cori and Gerty Cori, is a metabolic pathway in which
Cori_cycle
Stages of intelligence information processing
The intelligence cycle is an idealized model of how intelligence is processed in civilian and military intelligence agencies, and law enforcement organizations
Intelligence_cycle
Inventory auditing procedure
A cycle count is a perpetual inventory auditing procedure that involves counting a small, specific subset of inventory in a continuous, regularly repeated
Cycle_count
Kind of homology class in differential geometry
In differential geometry, a Hodge cycle or Hodge class is a particular kind of homology class defined on a complex algebraic variety V, or more generally
Hodge_cycle
Biogeochemical cycle
The phosphorus cycle is the biogeochemical cycle that involves the movement of phosphorus through the lithosphere, hydrosphere, and biosphere. Unlike
Phosphorus_cycle
Repeated joining and separation of Earth's continents
The supercontinent cycle is the quasi-periodic aggregation and dispersal of Earth's continental crust. There are varying opinions as to whether the amount
Supercontinent_cycle
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