defined for each point x in the domain of the function by \inf\left\{\mathrm{diam}(f(U))\mid U\mathrm{\ is\ a\ neighborhood\ of\ }x\right\}, and describes the difference (possibly ∞) between the limit superior and limit inferior of the function near that point
The variation, usually with time, of the magnitude of quantity with respect to a specified reference when the magnitude is alternately greater and smaller than the reference
Variation with time of a quantity such as force, stress, pressure, displacement, velocity, acceleration or jerk Usually implies some regularity (as in sinusoidal or complex vibration)
Uneven wrap in coiling and lateral travel during winding Improper alignment of rolls over which the metal passes before rewinding and insufficient rewind tension are typical causes See also "Telescoping "
{i} act of something which oscillates; regular pendulation between two positions; vacillation between two opinions; fluctuation between high and low values; wavering between two extremes
The rate at which an electric toothbrush head moves back and forth or spins The higher the speed the more advanced the cleaning capability and stain removal