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English definition of “ripple”

ripple

noun [C]  /ˈrɪp·əl/ us  
a small wave or a slight movement of a surface, esp. the surface of water: The stone hit the water and caused a ring of ripples to spread out. A ripple is also a sound or feeling that is slight but is noticed: A ripple of laughter ran through the crowd. The story created ripples of alarm here in Washington.

ripple

verb [I/T]  /ˈrɪp·əl/ us  
Something that ripples moves in a way that is not obvious but is noticeable: [I always + adv/prep] A shy smile rippled nervously over his features.
(Definition of ripple from the Cambridge Academic Content Dictionary © Cambridge University Press)
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