vibration

n 1: the act of vibrating [syn: {quiver}, {quivering}]

2: a shaky motion; "the shaking of his fingers as he lit his

pipe" [syn: {shaking}, {shakiness}, {tremor}, {trembling},

{quiver}, {quivering}, {palpitation}]

3: (physics) a regular variation in value about a mean [syn: {oscillation}]