Gunpowder
/ɡˈʌˌnpaʊdər/
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Definition
(noun) An explosive mixture of saltpetre (potassium nitrate), charcoal and sulfur; formerly used in gunnery but now mostly used in fireworks.
Sentence Examples
Gunpowder needs to be handled very carefully.
We must prevent the fire from reaching the gunpowder at any cost.
CEFR Practice Quiz
The discovery of ____ in ancient China eventually revolutionized warfare and the design of modern weapons.