noun🔗Share玄武岩A hard mafic igneous rock of varied mineral content; volcanic in origin, which makes up much of the Earth's oceanic crust."The dark, volcanic rock used to build the school's wall is basalt. "学校の壁を作るのに使われた暗い火山岩は玄武岩です。geologymaterialmineralscienceChat with AIVocabulary GamePractice Reading
noun🔗Share玄武岩陶器A type of unglazed pottery."We served the tea in a simple basalt that my grandmother treasured. "お茶は、祖母が大切にしていたシンプルな玄武岩陶器で出しました。materialChat with AIVocabulary GamePractice Reading
