F f


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [fawl-out]
    • /ˈfɔlˌaʊt/
    • /ˈfɔːl.aʊt/
    • US Pronunciation
    • US IPA
    • [fawl-out]
    • /ˈfɔlˌaʊt/

Definitions of fallout word

  • noun fallout 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. 1
  • noun fallout the particles themselves. Compare rainout. 1
  • noun fallout an unexpected or incidental effect, outcome, or product: the psychological fallout of being obese. 1
  • noun fallout effects; results: emotional fallout from a divorce. 1
  • noun fallout Radioactive particles that are carried into the atmosphere after a nuclear explosion or accident and gradually fall back as dust or in precipitation. 1
  • noun fallout radioactive dust 1

Information block about the term

Origin of fallout

First appearance:

before 1945
One of the 6% newest English words
First recorded in 1945-50; noun use of verb phrase fall out

Historical Comparancy

Parts of speech for Fallout


fallout popularity

A common word. It’s meaning is known to most children of preschool age. About 85% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

fallout usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for fallout

noun fallout

  • radioactive waste — the radioactive by-products from the operation of a nuclear reactor or from the reprocessing of depleted nuclear fuel.
  • result — to spring, arise, or proceed as a consequence of actions, circumstances, premises, etc.; be the outcome.
  • outcome — a final product or end result; consequence; issue.
  • upshot — the final issue, the conclusion, or the result: The upshot of the disagreement was a new bylaw.
  • consequence — The consequences of something are the results or effects of it.

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See also

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