felix klein felis yagouaroundi • felix mendelssohn · · · Info · Definitions · Characters · · felix klein · · Text Common · · Latin · · Scripts 11 · · Length 4 · · Syllables Definitions · · · (noun) German mathematician who created the Klein bottle (1849-1925). Synonyms: Klein, Felix Klein. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E x latin small letter x U+0078