extension service extension phone • extension spring · · · Info · Definitions · Synonyms · Characters · · extension service · · Text Common · · Latin · · Scripts 17 · · Length 5 · · Syllables Definitions · · · (noun) an educational opportunity provided by colleges and universities to people who are not enrolled as regular students. Synonyms: extension, extension service, university extension. · · Noun Definition 1 Synonyms · · · extension · · Synonym 1 university extension · · Synonym 2 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076 x latin small letter x U+0078