furnace lining furnace liner • furnace maker · · · Info · Definitions · Synonyms · Characters · · furnace lining · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) lining consisting of material with a high melting point; used to line the inside walls of a furnace. Synonyms: furnace lining, refractory. · · Noun Definition 1 Synonyms · · · refractory · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 u latin small letter u U+0075