Definition of gunpowder
: an explosive mixture of potassium nitrate, charcoal, and sulfur used in gunnery and blasting; broadly : any of various powders used in guns as propelling charges
Recent Examples of gunpowder from the Web
To get that 3,200 feet per second figure out of the .300 Weatherby with the same bullet requires an 80-85 grain dose of slow-burning gunpowder.
More information (July 2, Iron Triangle Brewery) Jurassic Park at Hollywood Forever (Plus Fireworks!) Is there anything more American than dinosaurs and exploding gunpowder?
As explained in the video above, combinations of gunpowder and chemicals mixed in ingenious ways create an effect that keeps people cheering year after year after year.
This tradition dates back to 1605, when Guy Fawkes, with the help of 12 others, stored 36 barrels of gunpowder under the House of Lords in an attempt to blow up Parliament.
The devices allow the explosive gas and pressure from the ignition of gunpowder — the same force that propels a bullet — room to expand and dissipate inside the muffling device.
Lucky Shot USA takes authentic ammo that was fired by A-10 Thunderbolt military aircraft and makes them safe for use by completely removing chemicals, gunpowder or active primers.
Wayne Breen's adult children contended that the angles of their father's bullet wounds and gunpowder residue did not corroborate Kacie Breen's self-defense claim.
This private cavern in Childersburg has been used by Native Americans, moonshiners, and mined for Civil War gunpowder.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gunpowder'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of gunpowder
GUNPOWDER Defined for English Language Learners
Definition of gunpowder for English Language Learners
: a dry explosive substance that is used in guns and to break open sections of rock or earth for mining, building roads, etc.
GUNPOWDER Defined for Kids
Definition of gunpowder for Students
: an explosive powder used in guns and blasting
Seen and Heard
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