noun🔗ShareAn amorphous volcanic glass formed by the hydration of obsidian."The gardener used perlite in the potting mix to help the soil drain better. "geologymaterialChat with AIVocabulary GamePractice Reading
noun🔗ShareThe lightweight insulating material and aggregate resulting from expanding perlite glass by heat."My mom uses perlite in her garden soil to help with drainage and keep the soil from getting too heavy. "materialgeologybuildingagricultureChat with AIVocabulary GamePractice Reading
