fluctuation

fluctuate | American Dictionary

fluctuate
verb[ I ]
us/ˈflʌk·tʃuˌeɪt/
to change or vary frequently between one level or thing and another:
Vegetable prices fluctuate according to the season.
I fluctuate between feeling really happy and utterly miserable.

fluctuation

noun[ C/U ]us/ˌflʌk·tʃuˈeɪ·ʃən/
[ C ]fluctuations in temperature
[ U ]A certain amount of fluctuation in quality is unavoidable.

fluctuate | Business English

fluctuate
verb[ I ]
uk /ˈflʌktʃueɪt/us
if prices, levels, or interest rates fluctuate, they go up and down:
Inflation has fluctuated in recent months along with oil prices.
fluctuate between sth and sthDividend yields typically fluctuate between 4 per cent and 6 per cent.
fluctuate with sthOver the past months, retail prices have fluctuated with market conditions.
prices/investments/profits fluctuateTraders on the New York Stock Exchange monitored their screens and took a wait-and-see approach as prices fluctuated.
fluctuate wildly/significantly/slightlyShares have been fluctuating wildly in a volatile market.
fluctuate from day to day/month to month/year to yearYour cash flow fluctuates from year to year as your portfolio increases or decreases.

Examples of fluctuate

fluctuate
The asymptotic solution (5.3) also be used to obtain expressions from (3.14)for can the fluctuating viscous stresses a t the wall.
Given that standards may fluctuate among studies depending on methodology, samples, or subjects, further specification is needed to ensure a consistently high level of review.
The format must be appropriate for people with a fluctuating health status, such as those with advanced lung cancer.
The nominal rate of tax fluctuated between 1s and 4s in the early eighteenth century, as governments tried to relieve the burden in peace time.
Since the position fluctuates up and downstream, the dust method gives an upstream extreme.
But due to supply constraints, resource markets are often out of equilibrium (hence the tendency of resource prices to fluctuate dramatically).
There are hints, however, that help us to associate the vocal persona with the fluctuating emotions in the accompaniment.
However, the levels of infection in female and male fish fluctuated in different months but no statistical difference was observed.
Frequencies of -s or verb stems fluctuate across all the dialects in which verbal -s is variable.
This eliminates the compression or expansion of minor taxa in percentage diagrams when dominant taxa fluctuate.
The dust particles may possess variable mass, size and shape, and, predominantly, fluctuating charge.
It fluctuates as a consequence of perturbations, but the system is stable.
Although prevalence values fluctuated during the study period, they never exceeded 36%.
Genetic and environmental effects on morphology and fluctuating asymmetry in nesting barn swallows.
Do fluctuating economic fortunes also have negative effects on children?
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.