deflagrate
/dɛfˈlæɡreɪt/Definitions
1. verb
to burn or undergo rapid combustion
“The fireworks started to deflagrate, releasing sparks into the air.”
2. noun
the process of burning or undergoing rapid combustion
“The deflagration of the fuel caused a massive explosion.”
3. noun
an instance of burning or rapid combustion
“The deflagration of the gas was a major concern for the engineers.”