• WordNet 3.6
    • n fluctuation the quality of being unsteady and subject to changes "he kept a record of price fluctuations"
    • n fluctuation an instance of change; the rate or magnitude of change
    • n fluctuation a wave motion "the fluctuations of the sea"
    • ***
Webster's Revised Unabridged Dictionary
    • Fluctuation A motion like that of waves; a moving in this and that direction; as, the fluctuations of the sea.
    • Fluctuation A wavering; unsteadiness; as, fluctuations of opinion; fluctuations of prices.
    • Fluctuation (Med) The motion or undulation of a fluid collected in a natural or artifical cavity, which is felt when it is subjected to pressure or percussion.
    • ***
Century Dictionary and Cyclopedia
    • n fluctuation A motion like that of waves; a waving; movement in different directions: as, the fluctuations of the sea.
    • n fluctuation Alternating action or movement; a wavering or varying course; mutation: as, the fluctuations of prices or of the funds; fluctuations of opinion.
    • n fluctuation In medicine, the alternating motion of pus or other fluids perceptible on palpation.
    • n fluctuation Synonyms and Oscillation, vacillation.
    • n fluctuation Produce; fruit.
    • ***
Chambers's Twentieth Century Dictionary
    • ns Fluctuation a rising and falling like a wave: motion hither and thither: agitation: unsteadiness
    • ***


  • Margaret J. Wheatley
    Margaret J. Wheatley
    “The things we fear most in organizations -- fluctuations, disturbances, imbalances -- are the primary sources of creativity.”


Webster's Revised Unabridged Dictionary
L. fluctuatio,; cf. F. fluctuation,
Chambers's Twentieth Century Dictionary
L. fluctuāre, -ātumfluctus, a wave—fluĕre, to flow.


In literature:

Mention some of the fluctuations in the Church's condition.
"Sketches of the Covenanters" by J. C. McFeeters
We can but faintly and obscurely trace the fluctuations in the trade of Petra, in the remote periods of history.
"Robert Kerr's General History and Collection of Voyages and Travels, Volume 18" by William Stevenson
If properly made it is possible to maintain a temperature of 34 to 38 degrees without much fluctuation during the winter months.
"Every Step in Canning" by Grace Viall Gray
There is good reason to think, however, that the period of these rapid fluctuations is passing away.
"Evolution Of The Japanese, Social And Psychic" by Sidney L. Gulick
Sometimes a street fluctuates between two names, as that of Catharine and Wittal, which at length terminated in favour of the former.
"An History of Birmingham (1783)" by William Hutton
Fluctuations in the level of ground water, especially if great and sudden, generally cause ill-health among the residents.
"Scientific American Supplement, No. 455, September 20, 1884" by Various
But there was a region beyond those fluctuations.
"The Divine Fire" by May Sinclair
His answers prove that he was out of harmony with the fluctuating Anglicanism of the hour.
"John Knox and the Reformation" by Andrew Lang
Policies must change frequently with fluctuating supplies and varying demands from Europe.
"Food Guide for War Service at Home" by Katharine Blunt, Frances L. Swain, and Florence Powdermaker
These fluctuating lapses from individuation made Mr. Britling a perplexity to many who judged only by the old personal standards.
"Mr. Britling Sees It Through" by H. G. Wells

In poetry:

Sometimes her mind is fluctuation,
Sometimes her soul is detestation,
Sometimes her heart is admiration—
She usurps.
"The Model Girl" by Frank Barbour Coffin
At anchor slept a heavy rounded keel
Whose moveless rudder made the senses wheel
To music dropping from the Antwerp bells
In fluctuating swells.
"Silence And Solitude" by Annie Adams Fields
Autumn! I love thy tinted looks,
Thy fading leaves, and rippling brooks,
And variegated flowers;
Thy cooling winds and wither'd grass,
Precursor of the stormy blast,
And fluctuating showers.
"Autumn" by Benjamin Cutler Clark

In news:

From oddball snowstorms to rampant winds and fluctuating temperatures, it feels more like April than June.
Rulings go against employers using 'fluctuating' workweeks to cut overtime costs.
Together they formed, in the same order, the Marx Brothers: Chico (who affected an Italian persona), Harpo (who never spoke but honked a horn), Groucho (known for his trademark cigar and wildly fluctuating eyebrows), Gummo and Zeppo.
Your Intelligence Level Can Fluctuate, Studies Show.
Fluctuations in performance in patients with Parkinson's disease on chronic levodopa therapy (the "on-off" effect) are due to several factors.
In this blog, our correspondents consider the fluctuations in the world economy and the policies intended to produce more booms than busts.
His weight fluctuates as much as 40 to 50 pounds depending on where he is in relation to the next competition.
He was told to try investing in Wells Fargo's preferred stock , which was guaranteed to pay 8 percent dividends with very little fluctuation in price.
This creature's unique ability to fluctuate in size evolved as a means to evade predators.
His opinion could be significant for companies that smooth fluctuations in pension values on their financial statements.
Second, low numbers of subjects can lead to confusing statistical fluctuation.
TUNICA — The Fitz Casino & Hotel Tunica has laid off an unspecified number of employees, citing a soft economy, seasonal fluctuations and increased competition.
Although sales of existing homes continue to fluctuate, home prices are on an uptrend in all regions1.
Small trends or fads can be hard to grasp, but in the end, all trends tie in to bigger fluctuations in consumer behavior.
As the wheels continue to come off of global equity markets, it's easy to get so caught up in worrying about fluctuating stock prices that you forget about all the disastrous secondary effects of the turmoil.

In science:

Pilgram, Fluctuation statistics in networks: A stochastic path integral approach J.
Current large deviations for Asymmetric Exclusion Processes with open boundaries
Nelson, Quantum Fluctuations, Princeton University Press.
On a heuristic point of view concerning the motion of matter. From random metric to Schroedinger equation
Fluctuations around its direction are parameterized by (N − 1) π-modes.
Random field spin models beyond one loop: a mechanism for decreasing the lower critical dimension
Coupling of the fluctuations is an essentially non-local event and thus requires the involvement of spatially extended excitations.
Fluctuations and Long-Term Stability: from Coherence to Chaos
We now start the study of those properties of the BIS that are insensitive to the details of the fluctuations.
Fluctuations and Long-Term Stability: from Coherence to Chaos