noun🔗SharePotassium nitrate."The gardener added saltpetre to the soil to help the tomato plants grow bigger. "compoundsubstancechemistrymaterialscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareSodium nitrate."The fertilizer used in my grandfather's vegetable garden contains saltpetre to help the plants grow stronger. "compoundsubstancematerialchemistryChat with AIVocabulary GamePractice Reading
