Dictionary.com
Thesaurus.com
Synonyms

saltpeter

American  
[sawlt-pee-ter] / ˌsɔltˈpi tər /
Or saltpetre

noun

  1. the form of potassium nitrate, KNO 3 , that occurs naturally, used in the manufacture of fireworks, fluxes, gunpowder, etc.; niter.

  2. Chile saltpeter.


saltpeter Scientific  
/ sôlttər /

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.

See Examples For:

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 saltpeter kettles, repurposed as garden torches, were filled with fuel and lit, and their light flickered on an array of classical statuary, columns, urns and the like.

From Washington Post Aug. 17, 2021

Sometime between 600 and 900 CE, a mix of potassium nitrate, sulfur, and charcoal — saltpeter, or rudimentary gunpowder — was poured into bamboo or paper tubes.

From Salon Jul. 13, 2021

Finally, he took a final swig of milk, wiped his mouth on his sleeve, and picked up the bag of saltpeter.

From "October Sky" by Homer Hickam

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training