Detonating powder

any powder or solid substance, as fulminate of mercury, which when struck, explodes with violence and a loud report.

See also: Detonating

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
TOKYO - A 19-year-old man was arrested Sunday on suspicion of possessing substances that could be used as basic ingredients for detonating powder in violation of the poisonous material control law, police said.