petroleum engineering petroleum engineer • petroleum ether · · · Info · Synonyms · Characters · · petroleum engineering · · Text Common · · Latin · · Scripts 21 · · Length Synonyms · · · petroleum · · Synonym 1 crude oil · · Synonym 2 crude · · Synonym 3 rock oil · · Synonym 4 fossil oil · · Synonym 5 oil · · Synonym 6 Characters · · space U+0020 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075