oscillation

oscillation is a   Noun

Definition:

[1] The act of oscillating; a swinging or moving backward and forward, like a pendulum; vibration.

[2] Fluctuation; variation; change back and forth. His mind oscillated, undoubtedly; but the extreme points of the oscillation were not very remote. Macaulay. Axis of oscillation, Center of oscillation. See under Axis, and Center.

Synonyms: