■ noun
1》 a small wave or series of waves.
↘ Physics a small wave in which the dominant force is surface tension rather than gravity.
2》 a gentle rising and falling sound that spreads through a group of people.
↘a feeling that spreads through someone or something.
3》 a small periodic variation in electrical voltage superposed on a direct voltage or low-frequency alternating voltage.
4》 a type of ice cream with wavy lines of coloured flavoured syrup running through it.
■ verb
1》 form or cause to form ~s.
2》 (of a sound or feeling) spread through a person or place.
Derivatives
~t noun
ripply adjective
Origin
C17: of unknown origin.