ripple effect

Etymology
An analogy to the spreading ripples on a body of water after an object has struck the surface.

Noun

 * 1) The circumstance in which one event instigates an expansive set of other events.

Translations

 * Chinese:
 * Mandarin: 漣漪效應
 * Czech: řetězová reakce
 * Finnish:
 * German: Welleneffekt
 * Italian: effetto onda