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fluctuation

[fluhk-choo-ey-shuhn]

noun

continual change from one point or condition to another.

wavelike motion; undulation.

Genetics. a body variation due to environmental factors and not inherited.

Origin:
1400–50; late Middle English < Latin fluctuātiōn- (stem of fluctuātiō) a fluctuation, wavering. See fluctuate, -ion

Related forms

non·fluc·tu·a·tion, noun

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To fluctuation

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Fluctuation is always a great word to know.

So is zedonk. Does it mean:

a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.

the offspring of a zebra and a donkey.

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Example Sentences

And it made one think about the fluctuation of dance styles.

Such a sharp fluctuation usually means a server is malfunctioning-a potentially ruinous problem.

The multiverse, if it exists, may have sprung out of a chaotic fluctuation of empty space.

EXPAND

And it made one think about the fluctuation of dance styles.

Such a sharp fluctuation usually means a server is malfunctioning-a potentially ruinous problem.

The multiverse, if it exists, may have sprung out of a chaotic fluctuation of empty space.

Gold and his colleagues began their research on lab rats believing that neurotransmitter fluctuation modulated memory formation.

Don't do as well in mild-winter areas and in coastal climates where temperature fluctuation is minimal.

The battery is recharged by a thermocouple circuit that produces an electrical current with the fluctuation of body temperature.

The wild fluctuation in caviar prices is equaled only by the inconsistency of the quality of caviar available this season.

Though the fluctuation is not vast, it is enough to make a difference from peak to trough.

Sea level fluctuation has definitely had an impact as well".

It is a fluctuation of time and energy that produces matter and its counter part anti matter in the same moment of time.

When a random fluctuation causes enough gas and dust to bunch together, gravity takes over and celestial bodies begin to form.

We have seen only a slight fluctuation in support for either side during this debate.

The future, though, won't be governed by that kind of natural fluctuation alone.

Given the fluctuation of sea levels in the past few hundred thousand years, that is no surprise.

Shifts have been big and sudden, in stark contrast to the generally slow fluctuation of food prices since the mid-20th century.

They say that nature is actually in a continuing state of disturbance and fluctuation.

Despite being an exceptionally poor situation, it still remains a fluctuation in the business cycle and will ultimately stabilize.

But this climate-based fluctuation may be interacting with other pressures in other species to produce dire results.

Asian population meant that such a fluctuation had little significance.

Some degree of subsidy tends to help smaller farmers resist this fluctuation increasing overall efficiency.

We have what's called an environmental chamber that has a real basic temperature fluctuation program on.

College weight fluctuation is a relatively new field of study.

B2B transactions will go back to the days when currency fluctuation matters.

The argument about whether any climate change is human caused or simply a normal fluctuation in temperature is superfluous.

Much of the fluctuation is caused by economic supply and demand.

Indeed it is the fluctuation in land prices and not housing building costs that is the problem.

There may be some unobservable event that causes a fluctuation between the two states.

Economists on the whole continue to be clueless about both the causes and effects of oil price fluctuation.

Beyond the fluctuation in metabolite levels, the new study also found that they can work together to influence gene expression.

Some women have hair that is extremely sensitive to hormonal fluctuation.

One should really point out that there is a constant fluctuation of ice in the north.

The same fluctuation of progesterone occurs during women's periods and menopause, but not as dramatically.

So it would seem that space, the vacuum, is an equilibrium state in which fluctuation happens.

The hedges against currency fluctuation is next to cause global crisis.

Life does know how to adjust and is always in a state of fluctuation to the greener side of the fence.

Cooling down after exercise by walking slowly, then stretching muscles, may also prevent strains and blood pressure fluctuation.

Global warming was nothing more than a normal random short term fluctuation within the sample that was observed.

But physical fluctuation brings with it mental frustration.

So residential and small commercial are the causes of reactive fluctuation on the gird.

COLLAPSE

Collins

World English Dictionary

fluctuation (ˌflʌktjʊˈeɪʃən)

—n
1.	constant change; vacillation; instability
2.	undulation
3.	a variation in an animal or plant that is determined by environment rather than heredity

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source

Etymonline

Word Origin & History

fluctuation

mid-15c., from L. fluctuationem (nom. fluctuatio), from fluctuare "to undulate," from fluctus "wave," from pp. of fluere "to flow" (see fluent).

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Matching Quote

"Our discussion will be adequate; if it has as much clearness as the subject-matter admits of; for precision is not to be sought for alike in all discussions, and more than in all the products of the crafts. Now fine and just actions, which political science investigates, exhibit much variety and fluctuation, so that they may be thought to exist only by convention, and not by nature. And goods also exhibit a similar fluctuation.... We must be content, then, in speaking of such subjects and with such premises, to indicate the truth roughly and in outline.... In the same spirit, therefore, should each of our statements be received; for it is the mark of an educated man to look for precision in each class of things just so far as the nature of the subject admits: it is evidently equally foolish to accept probable reasoning from a mathematician and to demand from a rhetorician demonstrative proofs."

-Aristotle

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