fluctuate
There are many issues that are likely to cause fluctuation in fish stocks.
Some fluctuations in mood are perfectly normal.
Scientists have concluded that temperature fluctuations may increase the spread of infectious diseases.
These mood swings could be caused by hormonal fluctuations.
His weight fluctuations caused problems for his trainers.

SMART Vocabulary: related words and phrases

Change and changes
adaptive evolution
adjustment
alteration
anti-evolutionism
be ahead of the curveidiom
evolutionary
evolutionism
flatten
flip-flop
for a change
reconversion
reformation
regime change
reinterpretation
retransformation
unspooling
unsteadily
unsteady
untick
variation

fluctuation | Business English

fluctuation
noun[ C or U ]
uk /ˌflʌktʃuˈeɪʃən/us
a situation in which prices, levels or interest rates go up and down:
TV channel executives called the drop in viewing figures "a short-term fluctuation".
price/market/currency fluctuations
fluctuations in sthEmployers can adjust their workforce in line with fluctuations in demand for goods and services.
fluctuations of sthLong-term investment trusts compensate investors for the day-to-day fluctuation of the stock market.

Examples of fluctuation

fluctuation
Improved understanding of the hormonal causes and consequences of symptom fluctuation may lead to improved pharmacological and psychological treatments.
Nonetheless, ratios of post-harvest weights to pre-harvest weights reinforced the view that weight fluctuations were not uniformly large.
More important than the first-order approximation are the random fluctuations around the deterministic trajectory of the delay equation.
Alternatively, higher early depression scores in the intervention group could reflect a failure of randomization or simple random fluctuation.
The excited atom interacts with the vacuum fluctuations which cause the spontaneous emission of radiation.
Compared to the previous results, the fluctuation of relative phase difference is considerably reduced.
In particular, in non-equilibrium small systems thermal fluctuations can lead to observable large deviations from their average behavior.
However, despite the narrow time gap between assessments, it is possible that there was fluctuation in depressive symptoms between assessments.
The results indicate that the approach can effectively predict fluctuations in life-cycle metrics during component design synthesis.
These larger eddies can stir the fluid more efficiently, thereby reducing concentration fluctuations (see figure 4).
A new definition of concentration fluctuations in turbulent flows is proposed.
The outcomes of our analysis can provide useful knowledge for further study of cyclical fluctuations.
The tendency to bring particles back to equilibrium is therefore much smaller a t the lower pressure and the fluctuations will be less damped.
Double-peaked histograms of velocity fluctuations imply that the velocity has two preferred states.
However, this comes at the cost of weakening the ability of sunspot models to explain fluctuations along some dimensions.
See all examples of fluctuation
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.