oil pressure oil press • oil-producing · · · Info · Definitions · Characters · · oil pressure · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) pressure that keeps oil on the moving parts of an internal-combustion engine. Synonyms: oil pressure. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075