oil furnace oil-fueled • oil future · · · Info · Definitions · Synonyms · Characters · · oil furnace · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) a furnace that burns oil. Synonyms: oil burner, oil furnace. · · Noun Definition 1 Synonyms · · · oil burner · · 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 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075