noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   KNO₃, a naturally occurring salt, notably used as an ingredient of gunpowder; also used a food preservative and as an ingredient in toothpaste for sensitive gums; historically used in the production of nitric acid (HNO₃). uncountable
2. 2
   (KNO3) used especially as a fertilizer and explosive wordnet

Synonyms

All synonyms

alcoholchemicalniternitresaltpetersaltpetre