noun🔗Share자철석A magnetic mineral, Fe3O4, one of the primary ores of iron. It has also been called lodestone."The student used a strong magnet to pick up the tiny pieces of magnetite from the sand. "그 학생은 모래에서 작은 자철석 조각들을 집어 올리기 위해 강력한 자석을 사용했다.materialsubstancemineralgeologychemistryChat with AIVocabulary GamePractice Reading
