potassium nitrate
English
Noun
potassium nitrate (uncountable)
- (inorganic chemistry) KNO3, a naturally occurring salt used in the production of nitric acid HNO3, as a food preservative, in toothpaste for sensitive gums and as an ingredient of gunpowder.
Synonyms
- E252, when used as a preservative
- nitre
- saltpetre, saltpeter
Translations
potassium nitrate
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