ten-thousandth ten-thousandaire • tenth part · · · Info · Definitions · Synonyms · Characters · · ten-thousandth · · Text Common · · Latin · · Scripts 14 · · Length 3 · · Syllables Definitions · · · (noun) one part in ten thousand equal parts. Synonyms: one-ten-thousandth. · · Noun Definition 1 Synonyms · · · one-ten-thousandth · · Synonym 1 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075