saltpetre
Translation
saltpeter
Examples
Saltpetre is an ingredient in gunpowder.
Saltpeter is an ingredient in gunpowder.
It was also used to preserve meat.
It was also used to preserve meat.
Grammar Patterns
((uncountable noun)) a chemical compound (potassium nitrate). Saltpeter is an ingredient in gunpowder.
Similar Words
Synonyms: potassium nitrate, niter
Etymology
From Old French 'salpetre', from Medieval Latin 'sal petrae' meaning 'salt of the rock'.
Memory Tips
Break it down: 'salt' + 'peter' (from 'petra', rock). It's a type of salt found on rocks.