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.
The particles themselves. Example: On 26 April 1986 the reactor number four at the Chernobyl Nuclear Power Plant located in the Soviet Union near Pripyat in Ukraine exploded. Further explosions and the resulting fire sent a plume of highly radioactive fallout into the atmosphere and over an extensive geographical area.
A negative side effect; an undesirable or unexpected consequence. Example: Psychological fallout in the shadow of terrorism, title of an article by Dr. Abraham Twerski, M.D. in http//www.jewishworldreview.com.
A declined offer in a sales transaction when acceptance was presumed.
The person who declines such an offer.
An impromptu guest used to fill in for another guest spot who is a no show or who has cancelled last minute
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