Definition of snowball effect
- The city hopes that these improvements will have a snowball effect and spur private investment in the community.
: a round mass of snow pressed or rolled together
: snow cone
: any of several cultivated shrubby viburnums (genus Viburnum) with clusters of white sterile flowers —called also snowball bush
: to engage in throwing snowballs
: to increase, accumulate, expand, or multiply at a rapidly accelerating rate
: to throw snowballs at
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