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gunpowder    音标拼音: [g'ʌnp,ɑʊdɚ]
n. 火药;中国珠茶

火药;中国珠茶

gunpowder
n 1: a mixture of potassium nitrate, charcoal, and sulfur in a
75:15:10 ratio which is used in gunnery, time fuses, and
fireworks [synonym: {gunpowder}, {powder}]

Gunpowder \Gun"pow`der\ (g[u^]n"pou`d[~e]r), n. (Chem.)
A black, granular, explosive substance, consisting of an
intimate mechanical mixture of saltpeter, charcoal, and
sulphur. It is used in gunnery and blasting.
[1913 Webster]

Note: Gunpowder consists of from 70 to 80 per cent of
potassium nitraate (niter, saltpeter), with 10 to 15
per cent of each of the other ingredients. Its
explosive energy is due to the fact that it contains
the necessary amount of oxygen for its own combustion,
and liberates gases (chiefly nitrogen and carbon
dioxide), which occupy a thousand or fifteen hundred
times more space than the powder which generated them.
[1913 Webster]

{Gunpowder pile driver}, a pile driver, the hammer of which
is thrown up by the explosion of gunpowder.

{Gunpowder plot} (Eng. Hist.), a plot to destroy the King,
Lords, and Commons, in revenge for the penal laws against
Catholics. As Guy Fawkes, the agent of the conspirators,
was about to fire the mine, which was placed under the
House of Lords, he was seized, Nov. 5, 1605. Hence, Nov. 5
is known in England as

{Guy Fawkes Day}.

{Gunpowder tea}, a species of fine green tea, each leaf of
which is rolled into a small ball or pellet.
[1913 Webster]


Explosive \Ex*plo"sive\, n.
1. An explosive agent; a compound or mixture susceptible of a
rapid chemical reaction, as {gunpowder}, {TNT},
{dynamite}, or {nitro-glycerine}.
[1913 Webster PJC]

2. A sound produced by an explosive impulse of the breath;
(Phonetics) one of consonants p, b, t, d, k, g, which are
sounded with a sort of explosive power of voice.

Note: [See Guide to Pronunciation, [root] 155-7, 184.]
[1913 Webster]


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  • Gunpowder - Wikipedia
    Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive It consists of a mixture of sulfur, charcoal (which is mostly carbon), and potassium nitrate (saltpeter)
  • Gunpowder | Facts, History, Definition | Britannica
    gunpowder, any of several low-explosive mixtures used as propelling charges in guns and as blasting agents in mining The first such explosive was black powder, which consists of a mixture of saltpetre (potassium nitrate), sulfur, and charcoal
  • Gunpowder Facts, History and Description - ThoughtCo
    Gunpowder or black powder is of great historical importance in chemistry Although it can explode, its principal use is as a propellant Gunpowder was invented by Chinese alchemists in the 9th century Originally, it was made by mixing elemental sulfur, charcoal, and saltpeter (potassium nitrate)
  • The Dawn of Destruction: Who Invented Gunpowder and When Were Guns . . .
    Gunpowder, a discovery that fundamentally altered the course of human history, was invented by Chinese alchemists during the Tang Dynasty, around the 9th century This invention, initially an accidental byproduct of the quest for immortality, became a cornerstone in the evolution of warfare and subsequently, global power dynamics
  • When Was Gunpowder Invented? The History of Gunpowder
    Ever since it was developed in 10th-century China, gunpowder has been used for both war and peace It served as a propellent for firearms, artillery, and rockets on battlefields around the world, which is how we often think of it
  • Why Is Gunpowder Still Used Today - gunversity. com
    – Explain why gunpowder continues to be used in firearms today – Discuss how gunpowder powers the ignition and propellant systems in firearms – Highlight the advantages of gunpowder, such as its stability, reliability, and ability to provide consistent ballistic performance
  • History of gunpowder - Wikipedia
    Gunpowder is the first explosive to have been developed Popularly listed as one of the "Four Great Inventions" of China, it was invented during the late Tang dynasty (9th century) while the earliest recorded chemical formula for gunpowder dates to the Song dynasty (11th century)
  • History of Gunpowder - World of History
    The history of gunpowder is a story of one of the most transformative inventions in human history Gunpowder, also known as black powder, is a chemical explosive made from a mixture of saltpeter (potassium nitrate), sulfur, and charcoal (carbon)
  • Gunpowder: Origins in the East - Brown University
    “Gunpowder,” as it came to be known, is a mixture of saltpeter (potassium nitrate), sulfur, and charcoal Together, these materials will burn rapidly and explode as a propellant Chinese monks discovered the technology in the 9th century CE, during their quest for a life-extending elixir
  • Ancient Chinese Invented Gunpowder - ThoughtCo
    Ancient Chinese alchemists accidentally invented gunpowder while searching for a way to live forever The Song Dynasty used gunpowder for weapons like rocket arrows and early cannons against the Mongols Gunpowder's secrets spread along trade routes, reaching Europe by 1280, changing warfare worldwide





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