List of cycles

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This article does not deal with types of bicycles, for that see Bicycle#Types and Category:Cycle types.

This is a list of recurring cycles. See also Index of wave articles, time, and pattern.

Time and calendar cycles[edit]

Main article: Time cycles

Atomic clockCalendarChinese calendarComputusDiwaliEphemeris timeHertzIntellectual history of timeJulian dateSeason

Planetary cycles[edit]

Astronomical cycles[edit]

AstronomyCNO cycleEclipse cycleEclipseFull moon cycleGalactic yearGreat YearLunar phaseMesoamerican calendarsMetonic cycleMilankovitch cyclesMiraMoonNutationOrbitOrbital periodSaros cycleSothic cycleSecularitySunspotTide

Climate and weather cycles[edit]

Animal migrationAvalancheCarbon cycleClimate changeClimate change and agricultureClimate modelClimate oscillationClock of the Long NowEcologyEl Niño/La NiñaEndometriumEnvironmental geographyGlobal coolingGlobal warmingHistorical temperature recordIce ageTranshumanceMilankovitch cyclesMonsoonPleistoceneSeasonSunspotTideTimeline of meteorology1500-year climate cycle

Geological cycles[edit]

Age of the EarthMass extinction cyclesClimate changeEarthquake cycle

Organic cycles[edit]

Agricultural cycles[edit]

Agricultural cycleCarbon cycleClimate change and agricultureCrop rotationFertile CrescentHarvestNitrogen cycleOrganic farmingSeasonSoil degradationSustainable industriesWater cycle

Biological and medical cycles[edit]

Alternation of generationsBeta oxidationBioelectricityBiological pest controlBiorhythmBipolar disorderCardiopulmonary resuscitationCalvin–Benson cycleCell cycleChronobiologyCitric acid cycleCircadian rhythmClinical depressionDigestionEcologyFeedbackLife cycleList of biochemistry topicsMarine biologyMenstrual cycleNeurofeedbackNon-Hodgkin lymphomaOrganic farmingPolymerase chain reactionSoil degradationStomach cancerTriageUrea cycleZygote

Brain waves and cycles[edit]

BioelectricityCircadian rhythmConsciousnessElectroencephalographyNeurofeedbackPersistent vegetative stateSjögren's syndromeSleep

Physics cycles[edit]

Cyclic processCarnot cycleDouble-slit experimentDynamic theory of gravityPhysics of musicResonanceSonoluminescenceSpeed of lightSunspot

Mathematics of waves and cycles[edit]

Almost periodic functionAmplitude modulationAmplitudeBeatChaos theoryCyclic groupDiffractionDoppler effectEigenstateEigenvalueFibonacci sequenceFourier seriesFrequency domainFrequency spectrumHamiltonian (quantum mechanics)Harmonic oscillatorHuygens–Fresnel principleLongitudinal waveMechanical waveNavier–Stokes equationsPartial differential equationPeriodic functionPermutationPhase (waves)Physics of musicPower spectrumSignalSine waveSpectrum of an operatorTranslational symmetryTransverse waveWave equationWave–particle dualityWaveWaveform

Electromagnetic spectrum[edit]

Absorption spectroscopyAnders Jonas ÅngströmAstronomical spectroscopyAstronomyBlack bodyBlazarBremsstrahlungCaesiumCherenkov radiationColorDiffractionDigital signal processingDirect-sequence spread spectrumDispersion (optics)EigenstateEigenvalueElectromagnetic radiationElectromagnetic spectroscopyElectromagnetic spectrumElectromagnetismEmission lineEmission spectrumFM broadcastingFrequency domainFrequency hoppingFrequency spectrumGamma-ray burstHamiltonian (quantum mechanics)History of radioHueIsotopeLightOptical brightenerParticle in a spherically symmetric potentialPiezoelectricityPower spectrumRADARRadio frequencyRadioRadiocommunications AgencyRedshiftSETISpectrogramSpectrometerSpectroscopySpectrum analyzerSunyaev–Zel'dovich effectSupernovaTelecommunicationTimbreVery high frequencyVisible lightVisible spectrumWhite noise

Sound waves[edit]

Acoustic theoryAcousticsAerodynamicsAmplitudeAnemometerAudio feedbackBeat (acoustics)BuggingCherenkov radiationCold fusionCompressibilityDelay line memoryDiffractionDoppler effectEcho soundingElectronic filterFTIRKrakatoaLoudspeakerMach numberMicrophoneOssiclesPan pipesParabolic microphonePhoneticsPhononPiezoelectricityPsychoacousticsSawtooth waveShock waveSIDSonarSonic boomSonoluminescenceSoundproofingSound recordingSoundSpeech processingSpeed of soundSperm whaleSquare waveSubsonicSubtractive synthesisSynthesizerTelephoneTransmission lineTriangle waveWave dragWaveform

Miscellaneous cycles[edit]

Economic and business cycles[edit]

Business cycleInflation / RecessionMonetary policyVirtuous circle and vicious circleKitchin cycleJuglar cycleKuznets swing

Music and rhythm cycles[edit]

HarmonicsInterval cycleMusica universalisMusic theoryPhysics of musicRing cycleRhythmSong cycle

Religious, mythological, and spiritual cycles[edit]

AstrologyMantraNumerologyPratītyasamutpādaSamhainSexagenary cycleSurya

Social and cultural cycles[edit]

Dynastic cycleKondratiev waveSocial cycle theory

Military and war[edit]

War cycles

Literature[edit]

Literature cyclePlay cycleSonnet cycle