Ripple

1. An implement, with teeth like those of a comb, for removing the seeds and seed vessels from flax, broom corn, etc.
2. A little wave or undulation; a sound such as is made by little waves; as, a ripple of laughter.
3. To make a sound as of water running gently over a rough bottom, or the breaking of ripples on the shore.
4. To become fretted or dimpled on the surface, as water when agitated or running over a rough bottom; to be covered with small waves or undulations, as a field of grain.
5. To remove the seeds from (the stalks of flax, etc.), by means of a ripple.
6. To fret or dimple, as the surface of running water; to cover with small waves or undulations; as, the breeze rippled the lake.
7. Hence, to scratch or tear.
8. the residual AC component in the DC current output from a rectifier, expressed as a percentage of the steady component of the current.
9. a small wave on the surface of water or other liquids for which the driving force is not gravity, but surface tension.
10. The fretting or dimpling of the surface, as of running water; little curling waves.