fallout

1. The event of small airborne particles falling to the ground in significant quantities as a result of major industrial activity, volcano eruption, sandstorm, nuclear explosion, etc. (countable, uncountable)
2. The particles themselves. (countable, uncountable)
3. A negative side effect; an undesirable or unexpected consequence. (countable, uncountable) · Psychological fallout in the shadow of terrorism
4. An impromptu guest used to fill in for another guest spot who is a no-show or who has cancelled last minute. (countable, uncountable)

Plural fallouts