compound number compoundness • compound pendulum · · · Info · Definitions · Characters · · compound number · · Text Common · · Latin · · Scripts 15 · · Length 4 · · Syllables Definitions · · · (noun) a quantity expressed in two different units. Synonyms: compound number. Example: "One hour and ten minutes." · · Noun Definition 1 Characters · · space U+0020 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075