noun
fluctuation
fluhkt-shoo-AY-shuhn
noun
1
An irregular rise and fall, especially in level, amount, or value.
"Sudden fluctuations in the stock market worried investors."
"Small fluctuations in temperature are normal overnight."
How to Use Fluctuation
Learner’s notesIn plain EnglishAn up-and-down change, especially in something measurable like price or temperature.
Common pairings
price fluctuation
currency fluctuation
fluctuation in demand
Word Forms
fluctuations plural
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Sudden _____ in the stock market worried investors.
Etymology
From Latin fluctuatio, from fluctuare ("to move like waves"), from fluctus ("wave").