fluctuation

noun
fluc·tu·a·tion | \ ˌflək-chə-ˈwā-shən , -chü-ˈā- \
plural fluctuations

Definition of fluctuation 

: 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

First Known Use of fluctuation

15th century, in the meaning defined above

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Last Updated

21 Aug 2018

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The first known use of fluctuation was in the 15th century

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More Definitions for fluctuation

fluctuation

noun
fluc·tu·a·tion | \ ˌflək-chə-ˈwā-shən \

Medical Definition of fluctuation 

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

2a : 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)

Other words from fluctuation

fluctuate \ˈflək-chə-ˌwāt \ verb fluctuated; fluctuating

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