duodecimal notation duodecimal digit • duodecimal number system · · · Info · Definitions · Characters · · duodecimal notation · · Text Common · · Latin · · Scripts 19 · · Length 8 · · Syllables Definitions · · · (noun) any notation that uses 12 different characters. Synonyms: duodecimal notation. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 u latin small letter u U+0075