deflagration

From Latin dēflagrātiō, from dēflagrāre.

• (UK) IPA^(key): /ˌdɛfləˈɡɹeɪʃən/

deflagration (countable and uncountable, plural deflagrations)

1. The act of deflagrating; an intense fire; a conflagration or explosion. Specifically, combustion that spreads subsonically via thermal conduction.
   • 1849, Heinrich Rose, A Practical Treatise of Chemical Analysis

     If, for example, the mixture of oxygen and hydrogen was twenty volumes, and three volumes of oxygen remained after the deflagration, the mixture consisted of six volumes of hydrogen and six volumes of oxygen.

   • 1998, Michael R Bromwich, The FBI Laboratory: An Investigation into Laboratory Practices & Alleged Misconduct

     Black powder . . . It produces a relatively fast burn or deflagration rather than a detonation and is classified as "low explosive".

• (with respect to speed of propagation): detonation

• combustion

• deflagrate
• deflagrating

• afterloading