Md. Code Ann., Transp. § 11-119

“Explosive” means any chemical compound or mechanical mixture that is commonly used or intended to produce an explosion and that contains any oxidizing and combustive units or other ingredients in such proportions, quantities, or packing that an ignition by fire, friction, concussion, percussion, or detonator of any part of the compound or mixture may cause a sudden generation of highly heated gases and resultant gaseous pressures capable of injuring people or property.