ripple (
http://definr.com/ripple)
n 1: a small wave on the surface of a liquid [syn:
rippling,
riffle,
wavelet]
2: (electronics) an oscillation of small amplitude imposed on
top of a steady value
v 1: stir up (water) so as to form ripples [syn:
ruffle,
riffle,
cockle,
undulate]
2: flow in an irregular current with a bubbling noise, as of
water; "babbling brooks" [syn:
babble,
guggle,
burble,
bubble,
gurgle]