kor: 화산암 부스러기

Information
has URI	http://lexvo.org/id/term/kor/%ED%99%94%EC%82%B0%EC%95%94%20%EB%B6%80%EC%8A%A4%EB%9F%AC%EA%B8%B0

Meaning
means	(noun) the scum formed by oxidation at the surface of molten metals scoria, dross, slag