saltpetre
Speech parts
1. saltpetre - Noun
2. saltpetre - Verb
Meaning
Potassium nitrate; niter; a white crystalline substance, KNO3, having a cooling saline taste, obtained by leaching from certain soils in which it is produced by the process of nitrification (see Nitrification, 2). It is a strong oxidizer, is the chief constituent of gunpowder, and is also used as an antiseptic in curing meat, and in medicine as a diuretic, diaphoretic, and refrigerant.
Source: Webster's dictionarySynonyms
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Examples
Proportions by weight are 75% potassium nitrate (known as saltpeter or saltpetre), 15% softwood charcoal, and 10% sulfur.
": Matchlocks, Flintlocks, and Saltpetre: The Chronological Implications for the Use of Matchlock Muskets among Ottoman-Period Bedouin in the Southern Levant."
Saltpetre trade Saltpetre used for gunpowder was one of the major trade goods of the company.
Saltpetre was known to the Chinese by the mid-1st century AD and there is strong evidence of the use of saltpetre and sulfur in various largely medicine combinations.
The reaction was between melted saltpetre and acetic acid which produced a red vapor.