What does "explosive" mean?

Explosive: An explosive agent; a compound or mixture susceptible of a rapid chemical reaction, as gunpowder, or nitro-glycerine.

Additional senses

  1. 2.A sound produced by an explosive impulse of the breath; (Phonetics) one of consonants p, b, t, d, k, g, which are sounded with a sort of explosive power of voice. Note: [See Guide to Pronunciation, sq. root 155-7, 184.]

Sources