detonation

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See also: Detonation and détonation

English[edit]

English Wikipedia has an article on:
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Etymology[edit]

From French détonation; equivalent to detonate +‎ -ion.

Pronunciation[edit]

  • (UK) IPA(key): /dɛtəˈneɪʃən/
  • (file)
  • Rhymes: -eɪʃən

Noun[edit]

detonation (countable and uncountable, plural detonations)

  1. (chemistry) An explosion or sudden report made by the near-instantaneous decomposition or combustion of unstable substances. Specifically, combustion that spreads supersonically via shock compression.
    the detonation of gun cotton
    1. (by extension) Any sudden explosion made by an exothermic process (whether chemical or not) that produces a supersonic shock wave.
      a nuclear detonation
  2. (mechanical engineering) Engine knocking, a type of improper combustion in gasoline piston engines.

Usage notes[edit]

The use of detonation to refer to engine knocking is mostly confined to aircraft engines.

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Danish[edit]

Noun[edit]

detonation c (singular definite detonationen, plural indefinite detonationer)

  1. detonation

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