"ripple" in the noun sense
1. ripple, rippling, riffle, wavelet
a small wave on the surface of a liquid
electronics) an oscillation of small amplitude imposed on top of a steady value
"ripple" in the verb sense
1. ripple, ruffle, riffle, cockle, undulate
stir up (water) so as to form ripples
2. ripple, babble, guggle, burble, bubble, gurgle
flow in an irregular current with a bubbling noise
Source: WordNet® (An amazing lexical database of English)
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