saltpetre
salt-pe-tre
noun
A white crystalline salt, potassium nitrate, used in gunpowder, fertilisers, and food preservation.
"They used saltpetre to cure the meat."
Thesaurus
Synonyms: niter, saltpeter, potassium nitrate, nitre
salt-pe-tre
A white crystalline salt, potassium nitrate, used in gunpowder, fertilisers, and food preservation.
"They used saltpetre to cure the meat."
Synonyms: niter, saltpeter, potassium nitrate, nitre