porcelain-enamelled
/ˌpɔːs(ə)lɪnɪˈnamld/ /ˌpɔːs(ə)leɪnɪˈnamld/adjective
Coated with porcelain enamel; = vitreous-enamelled.
Origin
Late 19th century; earliest use found in The Times. From porcelain enamel + -ed; compare enamelled. In later use partly also from porcelain-enamel + -ed.