The Collaborative International Dictionary
Deflagrable
Deflagrable \De*fla"gra*ble\ (?; 277), a. [See Deflagrate.] (Chem.) Burning with a sudden and sparkling combustion, as niter; hence, slightly explosive; liable to snap and crackle when heated, as salt.
Wiktionary
deflagrable
a. (context chemistry archaic English) burn with a sudden and sparkling combustion; slightly explosive; liable to snap and crackle when heated, like salt.