detonation vs salvo

detonation

noun
  • An explosion or sudden report made by the near-instantaneous decomposition or combustion of unstable substances. Specifically, combustion that spreads supersonically via shock compression. 

  • Engine knocking, a type of improper combustion in gasoline piston engines. 

  • Any sudden explosion made by an exothermic process (whether chemical or not) that produces a supersonic shock wave. 

salvo

noun
  • A concentrated fire from pieces of artillery, as in endeavoring to make a break in a fortification; a volley. 

  • A salute paid by a simultaneous, or nearly simultaneous, firing of a number of cannon. 

  • An exception; a reservation; an excuse. 

  • Any volley, as in an argument or debate. 

  • The combined cheers of a crowd. 

verb
  • To discharge weapons in a salvo. 

How often have the words detonation and salvo occurred in a corpus of books? (source: Google Ngram Viewer )