noun🔗ShareAn abundant rock of marine and fresh-water sediments; primarily composed of calcite (CaCO3); it occurs in a variety of forms, both crystalline and amorphous."The white cliffs were made of limestone, a rock formed from ancient seashells. "geologymaterialsubstancemineralChat with AIVocabulary GamePractice Reading
adjective🔗ShareMade of or with limestone."The garden path was made of limestone gravel. "geologymaterialsubstanceChat with AIVocabulary GamePractice Reading
