Wabble

When two sounds are nearly the same in rate of vibration and are not at drastically different waveforms, they will wabble. The closer they are in pitch, the slower the will wabble. When they are at identicle pitches, there will be no wabble at all.

See also doppler effect.

Wab"ble (?), v. i. [Cf. Prov. G. wabbeln to wabble, and E. whap. Cf. Quaver.]

To move staggeringly or unsteadily from one side to the other; to vacillate; to move the manner of a rotating disk when the axis of rotation is inclined to that of the disk; -- said of a turning or whirling body; as, a top wabbles; a buzz saw wabbles.

© Webster 1913.

Wab"ble, n.

A hobbling, unequal motion, as of a wheel unevenly hung; a staggering to and fro.

© Webster 1913.