scoriae scoriaceous • scorification · · · Info · Definitions · Synonyms · Characters · · scoriae · · Text Latin · · Script 7 · · Length Definitions · · · (noun) the scum formed by oxidation at the surface of molten metals. Synonyms: slag, scoria, dross. · · Noun Definition 1 Synonyms · · · slag · · Synonym 1 scoria · · Synonym 2 dross · · Synonym 3 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073