Online Google Dictionary

gunpowder 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈgənˌpoudər/,
Font size:

An explosive consisting of a powdered mixture of saltpeter, sulfur, 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 The earliest known propellant explosive, gunpowder has now largely been superseded by high explosives, although it is still used for quarry blasting and in fuses and fireworks,
  1. An explosive consisting of a powdered mixture of saltpeter, sulfur, 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 The earliest known propellant explosive, gunpowder has now largely been superseded by high explosives, although it is still used for quarry blasting and in fuses and fireworks

  2. A fine green China tea of granular appearance


  1. a mixture of potassium nitrate, charcoal, and sulfur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks
  2. Gunpowder, also called black powder, is a mixture of sulphur, charcoal, and potassium nitrate. Gunpowder can be made just using potassium nitrate and charcoal, but without the sulphur, the powder is not as strong. ...
  3. Chemical substances of various compositions, particle sizes, shapes and colors that, on ignition, serve as a propellant. Ignited smokeless powder emits minimal quantities of smoke from a gun's muzzle; the older blackpowder emits relatively large quantities of whitish smoke.
  4. a green tea which is rolled into pellets which unfurl in hot water.
  5. The ancient Chinese invented gunpowder (made of saltpeter, sulfur, and charcoal dust) roughly 1,000 years ago. It was used for making fireworks (which were used to celebrate important occasions), medicine, alchemy and later, to power early rockets. ...
  6. A mixture of saltpeter, sulfur, and charcoal, in various proportions. The formula, brought to China in the 400s or 500s, was first used to make fumigators to keep away insect pests and evil spirits. ...
  7. Chemical compound that burns very quickly. Used in weaponry.
  8. Composition of 76 parts saltpeter, 14 charcoal, and 10 sulphur.
  9. A style of green tealeaves from China that are rolled into pellets and dried, which then open up when steeped.
  10. was used as a remedy for rattlesnake bite.  The wound was creased immediately above and below.  A small portion of gunpowder was sprinkled over the wound and burnt four or five times in succession, thus supposedly completely destroying the effects of the poison.
  11. Propellant used in small arms. can be either smokeless or black powder.
  12. strictly, an intimate mixture of potassium nitrate, charcoal and sulfur, which has been milled and granulated to maximize performance. Compare black powder. In modern times the term has been broadly applied to smokeless propellants as well. ...
  13. The compound of charcoal, sulfur, and saltpeter used as a propellant in muzzleloading and early breechloading firearms. (Also called "blackpowder".)
  14. The powder that, when ignited, produces the expanding gases that produce the pressure that pushes the bullet out of the gun. There are two general kinds, old-fashioned blackpowder and modern smokeless powder. They are not interchangeable.
  15. Green tea variety with a hard, tightly rolled leaf. The leaves are rolled into homogeneous balls between the palm of the hand and the inside of the boiler.