Period

The time required for one complete cycle of a wave to pass a given point, or to repeat itself.

The reciprocal of the period T is the frequency f; that is, T = 1 / f.

For example, if f = 440 Hz, then T = 1/440 sec. = 2.27 ms.

See: Click, Law of Uncertainty, Periodic, Phase, Phasing. Compare: Waveform, Wavelength.