saltpeter
Americannoun
-
the form of potassium nitrate, KNO 3 , that occurs naturally, used in the manufacture of fireworks, fluxes, gunpowder, etc.; niter.
Etymology
Origin of saltpeter
1275–1325; earlier salt peter; replacing Middle English sal peter, salpetre < Medieval Latin salpetrē, for Latin sal petrae salt of rock, so called because it commonly encrusts stones
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Tultepec was one of the first places that began to produce gunpowder in Mexico during the colonial period, because of the town’s abundant supply of saltpeter, a key ingredient.
From Seattle Times ● Mar. 9, 2024
He was perhaps the world’s leading expert on the history of mining for saltpeter, a primary ingredient in gunpowder, which in the 19th century was often harvested from caves.
From New York Times ● Dec. 16, 2022
The addition of steel or cast-iron shavings to the saltpeter made them sparkle.
From Salon ● Jul. 13, 2021
The South was so desperate for saltpeter for gunpowder that one Alabama official reportedly placed a newspaper ad asking that the contents of chamber pots be saved for collection.
From Washington Post ● Jul. 9, 2020
By then, the Chinese had observed that a particular mixture of sulfur, charcoal, and saltpeter, which became known as gunpowder, was especially explosive.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
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