Deflagrate

Part of speech: verb (v.)

To burn with a sudden and sparkling combustion, as niter; also, to snap and crackle with slight explosions when heated, as salt.

Part of speech: verb (v.)

To cause to burn with sudden and sparkling combustion, as by the action of intense heat; to burn or vaporize suddenly; as, to deflagrate refractory metals in the oxyhydrogen flame.