verb (-ated; -ating) see: fluid Date: 1634 intransitive verb to shift back and forth uncertainly, to ebb and flow in waves, transitive verb to cause to ~, see: swing fluctuation noun fluctuational adjective
FLUCTUATE
Meaning of FLUCTUATE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012