See under fallout.
Schrödinger’s catRead more in this article about some frequently asked questions and fun facts related to our definitions.
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- radioactive constant,
- radioactive dating,
- radioactive decay,
- radioactive iodine,
- radioactive isotope,
- radioactive series,
- radioactive tracer,
- radioactive waste
[ fawl-out ]
/ ˈfɔlˌaʊt /
the settling to the ground of airborne particles ejected into the atmosphere from the earth by explosions, eruptions, forest fires, etc., especially such settling from nuclear explosions (radioactive fallout).Compare rainout.
the particles themselves.Compare rainout.
an unexpected or incidental effect, outcome, or product: the psychological fallout of being obese.
effects; results: emotional fallout from a divorce.
Origin of fallout
First recorded in 1945–50; noun use of verb phrase fall out
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
/ (ˈfɔːlˌaʊt) /
the descent of solid material in the atmosphere onto the earth, esp of radioactive material following a nuclear explosion
any solid particles that so descend
informal side-effects; secondary consequences
verb fall out (intr, adverb)
informal to quarrel or disagree
(intr) to happen or occur
military to leave a parade or disciplinary formation
military the order to leave a parade or disciplinary formation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper