cycles

Rounds that recur

Cycles is the plural of cycle—a series of events that repeats in the same order: the cycles of the seasons, business cycles, sleep cycles.

In exercise, cycles often refers to stationary bikes or spinning equipment: The gym just got new cycles.

As a verb form, cycles means to ride a bicycle or to move through phases: She cycles to work, The thermostat cycles on and off.

periods

seasons

Year's four divisions

  • epochsDistinct historical stretches
  • erasNamed spans of history
  • phasesDistinct periods in sequence

stages · intervals · rotations · revolutions · quarters · semesters · trimesters · decades · centuries · millennia

bicycles

pedals

Foot-operated levers

derailleur · saddle · frame · fork · cassette · gears · brakes · wheels · cyclist · helmet

biological

circadian

Daily biological cycle

cellular · mitosis · meiosis · metamorphosis · germination · pollination · reproductive · breeding · molting · hibernation

motorcycles

Harley

American motorcycle brand

cruiser · sportbike · engine · exhaust · throttle · fairing · sidecar · kickstand · saddlebags · biker

natural

carbon

Sixth element, atomic symbol C

rock · oxygen · nutrient · phosphorus · sulfur · tidal · lunar · solar · seasonal · ecological

Categories
Opposites
temporal pattern

cyclesstraight lines

Unbent one-dimensional figures

linearity · endpoints · finalities · terminations · arrow of time

structural shape

cycleslines

Strokes connecting two points

vectors · rays · one-way streets · tangents · diagonals

change dynamics

cyclesconstants

Unchanging fixed values

stasis · randomness · chaos · irregularities · anomalies

Phrases
Family

cycle, bicycle, tricycle, motorcycle, cycling, bicycling, bicycles, cyclic, cyclical

Familiarity
Top 20,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G