The Collaborative International Dictionary
Deflagrating
Deflagrate \Def"la*grate\, v. i. [imp. & p. p. Deflagrated; p. pr. & vb. n. Deflagrating.] [L. deflagratus, p. p. of deflagrare to burn up; de- + flagrare to flame, burn.] (Chem.) To burn with a sudden and sparkling combustion, as niter; also, to snap and crackle with slight explosions when heated, as salt.
Wiktionary
deflagrating
vb. (present participle of deflagrate English)