Crossword clues for the word: SALTPETRE The word SALTPETRE has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for SALTPETRE Showing 1 to 4 of 4 results Clue(s) Another name for potassium nitrate It's used as a fertilizer and explosive Potassium nitrate Small step led three oddly to discover compound