Axis of oscillation

of a pendulum, a right line passing through the center about which it vibrates, and perpendicular to the plane of vibration.
See under Axis, and Center.

See also: Axis, Oscillation

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
The easiest way to produce waves under lab conditions is to use a wing whose axis of oscillation is placed on the bottom of the channel and is powered by a crank mechanism allowing the wing to oscillate against a plane square with the surface of the channel.