gunpowder
/ˈgʌnˌpaʊdə(r)/noun
mass noun
1
- an explosive consisting of a powdered mixture of saltpetre, sulphur, and charcoal. The earliest known propellant explosive, gunpowder has now largely been superseded by high explosives, although it is still used for quarry blasting and in fuses and fireworks.黑色火药, 有烟火药; 火药。
2
- a fine green China tea of granular appearance中国珠茶（搓成圆形颗粒的绿茶）。