periodic variation

collocation in English

meaningsofperiodicandvariation

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withvariation.
periodic
adjective
uk
/ˌpɪə.riˈɒd.ɪk/
us
/ˌpɪr.iˈɑː.dɪk/
happening repeatedly over a period ...
See more atperiodic
variation
noun
uk
/ˌveə.riˈeɪ.ʃən/
us
/ˌver.iˈeɪ.ʃən/
a change in amount ...
See more atvariation

(Definition ofperiodicandvariationfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofperiodic variation

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
The nature of the limit cycle is aperiodicvariationof the amplitude of the whole wavetrain.
From theCambridge English Corpus
Away from the ends the flow is mainly vertical with a slightperiodicvariationin the amplitude of the vertical velocity.
From theCambridge English Corpus
Huppert's experiments also showed that, when the sheet of fluid had become long enough, and correspondingly thin, the leading edge spontaneously developed a spanwise and roughlyperiodicvariation.
From theCambridge English Corpus
These pensions were subject toperiodicvariationon account of changes in the cost of living from 1919 to 1935.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
The major fluctuation is the eleven-year solar cycle (sunspot cycle), which causes aperiodicvariationof about 0.1%.
From
Wikipedia
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When ultrasonic waves are propagated in a liquid, the density varies from layer to layer due toperiodicvariationof pressure.
From
Wikipedia
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Theperiodicvariationin the velocity of an orbiting star will thus produce a periodic beaming variation in the light curve.
From
Wikipedia
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This is achieved by creating aperiodicvariationin the refractive index of the fiber core, which generates a wavelength specific dielectric mirror.
From
Wikipedia
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A pumped wave excited in the active medium produces aperiodicvariationof the volumes of the dispersed particles (gas bubbles).
From
Wikipedia
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In this case theperiodicvariationis a variation in the insertion loss of the network against increasing frequency.
From
Wikipedia
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Others have argued that there is strong evidence supporting periodicity in a variety of records, and additional evidence in the form of coincidentperiodicvariationin nonbiological geochemical variables.
From
Wikipedia
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The system is therefore forced both by periodic variations in depth and by boundary suction or ejection.
From theCambridge English Corpus
Hillert solved the flux equation numerically and found that inside the spinodal it yielded aperiodicvariationof composition with distance.
From
Wikipedia
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Combining this with other proper motion data spanning approximately half a century indicated aperiodicvariationof 26.5 2 years, confirming that the star is an astrometric binary.
From
Wikipedia
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Measurement of periodic variations of these active regions can also be used to deduce the rotation periods of these stars.
From
Wikipedia
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The star is known to undergo periodic variations in luminosity over roughly 4.6 days, with the astroseismic frequencies depending sensitively on the star's mass.
From
Wikipedia
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Everyone who has had the opportunity to observe the periodic variations in the mortality rate of maternity clinics will agree that his findings lack certain important confirmation.........
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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