The state or quality of being doubtful; doubt; uncertainty.
the act of oscillating or the state of being oscillated
(of a function) defined for each point x in the domain of the function by inf diam(f(U))∣Uisaneighborhoodofx, and describes the difference (possibly ∞) between the limit superior and limit inferior of the function near that point.
a single such cycle
a regular periodic fluctuation in value about some mean