deflagration
/ˌdɛfləˈɡɹeɪʃən/
noun1
- The act of deflagrating; an intense fire; a conflagration or explosion. Specifically, combustion that spreads subsonically via thermal conduction.
- Black powder . . . It produces a relatively fast burn or deflagration rather than a detonation and is classified as "low explosive". — 1998
forms
deflagrations