petroleum jelly petroleum grease • petroleum naphtha · · · Info · Definitions · Synonyms · Characters · · petroleum jelly · · Text Common · · Latin · · Scripts 15 · · Length Definitions · · · (noun) a semisolid mixture of hydrocarbons obtained from petroleum; used in medicinal ointments and for lubrication. Synonyms: petrolatum, mineral jelly. · · Noun Definition 1 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 j latin small letter j U+006A l latin small letter l U+006C m latin small letter m U+006D 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 y latin small letter y U+0079