burst vs fission bomb

burst

noun
  • The explosion of a bomb or missile. 

  • An act or instance of bursting. 

  • A series of shots fired from an automatic firearm. 

  • A sudden, often intense, expression, manifestation or display. 

verb
  • To cause to break from internal pressure. 

  • To break from internal pressure. 

  • To separate (printer paper) at perforation lines. 

  • To produce as an effect of bursting. 

  • To erupt; to change state suddenly as if bursting. 

  • To interrupt suddenly in a violent or explosive manner; to shatter. 

  • To enter or exit hurriedly and unexpectedly. 

fission bomb

noun
  • An atomic bomb that uses nuclear fission as a source of energy 

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