ell: σκωρία (μεταλλεύματος)

Information
has URI	http://lexvo.org/id/term/ell/%CF%83%CE%BA%CF%89%CF%81%CE%AF%CE%B1%20(%CE%BC%CE%B5%CF%84%CE%B1%CE%BB%CE%BB%CE%B5%CF%8D%CE%BC%CE%B1%CF%84%CE%BF%CF%82)

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