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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - (physics) a nuclear reaction in which a bombarded nucleus breaks up into many particles.

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Usage examples (28)
  • Some astronomers believe that the solar system was formed by spallation when the sun was a very young star
  • Deuterium would be annihilated requiring the present abundance to have been produced at some later stage, such as spallation in shocks around the hypernovae of PopIII stars.
  • I didn't miss your comment on spallation, I ignored it.
  • I.e. spallation being stated as fusion-based nucleosynthesis, when it is clearly not.
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.