Cycle

Definition of Cycle

Cy´cle   Pronunciation: s?´k'l
n.1.An imaginary circle or orbit in the heavens; one of the celestial spheres.
2.An interval of time in which a certain succession of events or phenomena is completed, and then returns again and again, uniformly and continually in the same order; a periodical space of time marked by the recurrence of something peculiar; as, the cycle of the seasons, or of the year.
3.An age; a long period of time.
Better fifty years of Europe than a cycle of Cathay.
- Tennyson.
4.An orderly list for a given time; a calendar.
5.The circle of subjects connected with the exploits of the hero or heroes of some particular period which have served as a popular theme for poetry, as the legend of Arthur and the knights of the Round Table, and that of Charlemagne and his paladins.
6.(Bot.) One entire round in a circle or a spire; as, a cycle or set of leaves.
7.A bicycle or tricycle, or other light velocipede.
8.A motorcycle.
9.(Thermodynamics) A series of operations in which heat is imparted to (or taken away from) a working substance which by its expansion gives up a part of its internal energy in the form of mechanical work (or being compressed increases its internal energy) and is again brought back to its original state.
10.(Technology) A complete positive and negative, or forward and reverse, action of any periodic process, such as a vibration, an electric field oscillation, or a current alternation; one period.
Calippic cycle
a period of 76 years, or four Metonic cycles; - so called from Calippus, who proposed it as an improvement on the Metonic cycle.
Cycle of eclipses
a period of about 6,586 days, the time of revolution of the moon's node; - called Saros by the Chaldeans.
Cycle of indiction
a period of 15 years, employed in Roman and ecclesiastical chronology, not founded on any astronomical period, but having reference to certain judicial acts which took place at stated epochs under the Greek emperors.
Cycle of the moon
a period of 19 years, after the lapse of which the new and full moon returns to the same day of the year; - so called from Meton, who first proposed it.
Cycle of the sun
a period of 28 years, at the end of which time the days of the month return to the same days of the week. The dominical or Sunday letter follows the same order; hence the solar cycle is also called the cycle of the Sunday letter. In the Gregorian calendar the solar cycle is in general interrupted at the end of the century.
v. i.1.To pass through a cycle{2} of changes; to recur in cycles.
[imp. & p. p. Cycled. (-k'ld); p. pr. & vb. n. Cycling (-kl ng).]
2.To ride a bicycle, tricycle, or other form of cycle.
v. t.1.To cause to pass through a cycle{2}.

Related Words

AC, AF, CPS, DC, EHF, HF, Hz, Indian file, Kekule formula, MF, O, Platonic year, RF, SHF, UHF, VHF, VLF, absorption current, active current, aeon, age, alternate, alternating current, ambit, annular muscle, annulus, annus magnus, areola, array, arsis, articulation, atomic cluster, audio frequency, aureole, bank, be here again, beat, benzene ring, bicycle, bicycle-built-for-two, bike, bout, branched chain, bus, buzz, carrier frequency, catch a train, catena, catenation, chain, chain reaction, chaining, chaplet, chauffeur, chopper, circle, circuit, circuiteer, circulate, circumambulate, circumference, circummigrate, circumnavigate, circumvent, circus, close the circle, closed chain, closed circle, come again, come and go, come around, come full circle, come round, come round again, come up again, compass, compound radical, concatenation, conduction current, connection, consecution, continuum, convection current, corona, coronet, course, crown, cycle of indiction, cycles, date, day, delta current, descent, describe a circle, diadem, diastole, dielectric displacement current, direct current, discus, disk, displacement current, downbeat, drive, drone, eddy current, electric current, electric stream, emission current, encircle, encompass, endless belt, endless round, entrain, eternal return, exciting current, extremely high frequency, fairy ring, file, filiation, flank, free alternating current, frequency, frequency spectrum, full circle, galvanic current, gamut, garland, generation, girdle, girdle the globe, glory, go about, go around, go by rail, go round, go the round, gradation, great year, gyre, halo, hertz, heterocycle, high frequency, high-frequency current, homocycle, hum, idle current, indiction, induced current, induction current, intermediate frequency, intermit, ionization current, iron, joyride, juice, kilocycles, kilohertz, lap, lasso, lattice, line, lineage, logical circle, loop, looplet, low frequency, low-frequency current, lower frequencies, magic circle, magnetizing current, make a circuit, make a train, medium frequency, megacycles, megahertz, minibike, molecule, monocycle, monotone, motocycle, motor, motorbike, motorcycle, multiphase current, nexus, noose, orbit, oscillate, pattern, pedal, pedicab, pendulum, periodicity, pig, plenum, powder train, progression, pulsate, pulsating direct current, pulse, queue, radical, radio frequency, radius, range, rank, reactive current, reappear, recur, recurrence, recycle, reoccur, repeat, reticulation, return, revolution, revolve, ride, ring, road-bike, roll around, rondelle, rotary current, rotate, rotation, round, round trip, roundel, rounds, routine, row, run, saucer, scale, scooter, sequel, sequence, series, side chain, sidewalk bike, simple radical, single file, single-phase alternating current, skirt, space-lattice, spark frequency, spectrum, spell, sphincter, spiral, straight chain, stray current, string, succession, superhigh frequency, surround, swath, systole, take a joyride, tandem, taxi, thermionic current, thermoelectric current, thesis, thread, three-phase alternating current, tier, time, tour, trail bike, train, tricycle, trike, turn, two-wheeler, ultrahigh frequency, undulate, upbeat, upper frequencies, velocipede, very high frequency, very low frequency, vicious circle, voltaic current, walk, watt current, wheel, wheel around, windrow, wreath
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Cyanotic
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Cyathiform
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Cyathophylloid
Cycad
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Cycadaceous
Cycadales
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Cycle of eclipses
Cycle of indiction
Cycle of the moon
Cycle of the sun
cycle of the Sunday letter
Cyclic
Cyclic chorus
Cyclic poets
cyclide
Cycling
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Cyclobranchiate
Cycloganoid
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Cycloidal
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