Historically used in gunpowder manufacturing.
English Usage: Saltpeter was a crucial ingredient in the production of gunpowder.
Hindi Usage: साल्टपीटर बारूद के उत्पादन में महत्वपूर्ण घटक था।
saalṭpīṭar, saaltpeetar, saltpitar, sālṭpīṭar, saalṭpitar
