scagliolaPronunciation: /skalˈjəʊlə/Definition of scagliola noun [mass noun] imitation marble or other stone, made of plaster mixed with glue and dyes which is then painted or polished: [as modifier]:scagliola columnsOrigin: mid 18th century: from Italian scagliuola, diminutive of scaglia 'a scale'scagliola in other Oxford dictionaries Definition of scagliola in the US English dictionary