escape velocity escape valve • escape wheel · · · Info · Definitions · Characters · · escape velocity · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) the minimum velocity needed to escape a gravitational field. Synonyms: escape velocity. · · Noun Definition 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 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 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079