Fluctuation
/flˌʌktʃuˈeɪʃən/
Listen pronunciation
Definition
(noun) A motion like that of waves; a moving in this and that direction; an irregular rising and falling.
Sentence Examples
This time of year we experience a high fluctuation of insects in the house.
The fluctuation in prices caused a financial crisis.
CEFR Practice Quiz
The constant ____ in temperature made it very difficult for the scientists to maintain a stable environment.