fluc·tu·ate 
/ˈflʌktʃəˌweɪt/ verb
fluc·tu·ates; fluc·tu·at·ed; fluc·tu·at·ing /ˈflʌktʃəˌweɪt/ verb [no obj] : to change level, strength, or value frequently
▪ Oil prices fluctuated [=became higher, lower, etc.] throughout the year. ▪ fluctuating prices ▪ His popularity has fluctuated during his term in office. ▪ In the desert, the temperature fluctuates dramatically.
▪ Oil prices fluctuated [=became higher, lower, etc.] throughout the year. ▪ fluctuating prices ▪ His popularity has fluctuated during his term in office. ▪ In the desert, the temperature fluctuates dramatically.
— fluc·tu·a·tion /ˌflʌktʃəˈweɪʃən/ noun, plural fluc·tu·a·tions
[count] ▪ Small fluctuations in prices are to be expected. [noncount] ▪ He reported some fluctuation in/of real estate values.
/ˌflʌktʃəˈweɪʃən/ noun, plural fluc·tu·a·tions [count] ▪ Small fluctuations in prices are to be expected. [noncount] ▪ He reported some fluctuation in/of real estate values.
