(~s, fluctuating, ~d)
If something ~s, it changes a lot in an irregular way.
Body temperature can ~ if you are ill.
...the fluctuating price of oil.
VERB: V, V-ing
fluctuation (fluctuations)
Don’t worry about tiny fluctuations in your weight...
The calculations do not take into account any fluctuation in the share price.
N-VAR: usu N in/of n