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annihilation

Pronunciation: /ənʌɪɪˈleɪʃ(ə)n/

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Definition of annihilation

noun

[mass noun]
  • 1complete destruction or obliteration:the threat of global annihilation
  • total defeat:a show of independence is its only hope of avoiding annihilation in next year’s elections
  • 2 Physics the conversion of matter into energy, especially the mutual conversion of a particle and an antiparticle into electromagnetic radiation.

Origin:

mid 16th century: from late Latin annihilatio(n-), from the verb annihilare (see annihilate)

annihilation in other Oxford dictionaries

Definition of annihilation in the US English dictionary

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