单词	fluctuation
释义	fluctuation noun fluc·​tu·​a·​tion ˌflək-chə-ˈwā-shən  -chü-ˈā- plural fluctuations : an act or instance of fluctuating : an irregular shifting back and forth or up and down in the level, strength, or value of something Small fluctuations in prices are to be expected. Some fluctuation in real estate values is not unusual. North American species in general, having contended with blazing July days and frosty September nights as they evolved, are much more tolerant of temperature fluctuations than tropical species are. Jonathan Franzen fluctuational ˌflək-chə-ˈwā-shnəl  -shə-nᵊl -chü-ˈā- adjective Synonyms change flux inconstancy oscillation See all Synonyms & Antonyms Word History First Known Use 15th century, in the meaning defined above Medical Definition fluctuation noun fluc·​tu·​a·​tion ˌflək-chə-ˈwā-shən  1 : a motion like that of waves especially : the wavelike motion of a fluid collected in a natural or artificial cavity of the body observed by palpation or percussion 2 a : a slight and nonheritable variation especially : such a variation occurring in response to environmental factors b : recurrent and often more or less cyclic alteration (as of form, size, or color of a bodily part) fluctuation noun as in oscillation the frequent and usually sudden passing from one condition to another political instability that resulted in wild fluctuations in the overseas stock markets Synonyms & Similar Words Relevance oscillation change flux inconstancy transformation metamorphosis mutation transmutation wavering vacillation transmogrification
随便看	higher-up higher-ups highest highest common factor highfalutin highflier highfliers highflyer highflyers highhandednesses highish highjack highjacked highjackers highjacking highjacks highland Highland fling Highland Park Highland pony highlander highlanders highlandest highlandmen highlands

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