fluctuation

Word family  noun fluctuation verb fluctuate

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++fluc·tu·a·tion /ˌflʌktʃuˈeɪʃən/ ●○○ AWL noun [countable, uncountable]  CHANGE/BECOME DIFFERENTa change in a price, amount, level etc 〔价格、数量、水平等的〕波动，起伏 SYN variationfluctuation in the fluctuation in interest rates 利率的波动 Prices are subject to fluctuation. 价格可能会有波动。

Examples from the Corpus

fluctuation• This price fluctuation requires that one measure the current yield on a seasoned bond.• price fluctuations• As it is sensitive to large temperature fluctuation, care should be taken to maintain a stable reading.• As with most ordinary deposit accounts, rates are subject to fluctuation without notice.fluctuation in• These plants are affected by fluctuations in temperature.From Longman Business Dictionaryfluctuationfluc‧tu‧a‧tion /ˌflʌktʃuˈeɪʃən/ noun [countable, uncountable] the movement of prices, income, rates etc as they increase and fallFluctuationsin profits resulted from differences between the volume of sales and the volume of production.Buying patterns are usually subject to upward or downward fluctuation caused by changes in the market.Although market fluctuations are inevitable, the stock and futures markets are basically solid.

fluc·tu·a·tion nounChineseSyllable  

amount, Business change price, a Corpus a etc in level

fluctuation
fluc‧tu‧a‧tion AC /ˌflʌktʃuˈeɪʃən/ noun [uncountable and countable]a change in a price, amount, level etc
   SYN  variation
    fluctuation in
    the fluctuation in interest rates
    Prices are subject to fluctuation.
     

THESAURUS

   ▪ change noun [uncountable and countable] a situation in which someone or something becomes different, or the act of making something different: There was a sudden change in the weather. | We are living in a period of great change. | He was told to make some slight changes to his essay.
   ▪ alteration noun [uncountable and countable] a change, especially a small one that happens naturally or gradually, or one that is made in order to improve something: I noticed a slight alteration in her behaviour. | They had to make some alterations to their original theory.
   ▪ reform noun [uncountable and countable] a change made to a system or law in order to improve it: He called for a reform of our outdated voting system. | Many people opposed the economic reforms.
   ▪ shift noun [countable] a change, especially in people’s attitudes or in the way they do things, or in the position of someone or something: a shift in public opinion about the war | There has been a noticeable shift in government policy on education. | There needs to be a major shift away from road transport to rail transport. | After he died, there was a dramatic shift in the balance of power.
   ▪ swing a big change, especially in someone’s opinions or moods: There has been a big swing toward the Democrats (=many more people are supporting them). | The drug can cause mood swings.
   ▪ fluctuation noun [uncountable and countable] a change in something - used when something changes often: fluctuations in the value of the dollar | temperature fluctuations | fluctuations in his mood | There has been some fluctuation in productivity levels.