An explosive (or explosive material) is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production …

Explosive, any substance or device that can be made to produce a volume of rapidly expanding gas in an extremely brief period. There are three fundamental types: mechanical, nuclear, and chemical.

8 hours ago · Russian officials say an unidentified assailant has detonated an explosive device next to a patrol vehicle in Moscow, killing himself and a police officer and leaving two other officers injured.

11 hours ago · KENT, Wash. — Kent’s City Hall campus was shut down Monday afternoon after a suspected military-grade undetonated explosive was brought to the area, prompting an emergency …

The meaning of EXPLOSIVE is relating to, characterized by, or operated by explosion. How to use explosive in a sentence.

ATF investigates and prevents crimes that involve the unlawful manufacture, sale, possession and use of explosives. If you need assistance regarding explosives enforcement-related issues, please …

EXPLOSIVE definition: 1. exploding or able to explode easily: 2. very loud and sudden, like an explosion: 3. An…. Learn more.

Jan 14, 2026 · An explosive is a reactive substance containing a significant amount of potential energy that undergoes an extremely rapid chemical transformation. This near-instantaneous change results …

Explosives are materials that produce violent chemical or nuclear reactions. These reactions generate large amounts of heat and gas in a fraction of a second. Shock waves produced by rapidly expanded …

1 day ago · The Kent City Hall, police station and Centennial Building were briefly evacuated on Monday afternoon after a person tried to turn in what was believed to be an undetonated military-grade ...