(intransitive) To vary irregularly; to swing. / (intransitive) To undulate. / (intransitive) To be irresolute; to waver. / (transitive) To cause to vary irregularly.

simple past tense and past participle of fluctuate

Third-person singular simple present indicative form of fluctuate

A motion like that of waves; a moving in this and that direction. / A wavering; unsteadiness.

plural of fluctuation

present participle of fluctuate

Subject to irregular changes in quantity or quality.

A fluctuation.

plural of fluctuator

One who or that which fluctuates. / (physics) A quantum system in which an electric charge moves back and forward between two states that are separated by an energy barrier