Crossword clues for the word: NITRES The word NITRES has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for NITRES Showing 1 to 7 of 7 results Clue(s) "Gunpowder ingredients, to Brits" British imports Explosive ingredients. Gunpowder compounds Products of Chile. Saltpeters Sodium nitrates.