fluctuation
Translation
fluctuation, variation, wavering
Examples
There is a fluctuation in the price of oil.
There is a fluctuation in the price of oil.
His mood showed frequent fluctuations.
His mood showed frequent fluctuations.
Grammar Patterns
((in sth.)) a change in the level of something There is a fluctuation in the price of oil.
Similar Words
Synonyms: variation, oscillation, instability; Antonyms: stability, constancy
Etymology
From Latin 'fluctuare' (to wave, undulate). It's formed from 'fluct-' (wave) + '-ation' (noun suffix).
Memory Tips
Imagine the 'flu'ctuating temperature on a thermometer, going up and down like a wave.