domain of a function domain name • domal · · · Info · Definitions · Synonyms · Characters · · domain of a function · · Text Common · · Latin · · Scripts 20 · · Length 6 · · Syllables Definitions · · · (noun) (mathematics) the set of values of the independent variable for which a function is defined. Synonyms: domain, domain of a function. · · Noun Definition 1 Synonyms · · · domain · · Synonym 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 f latin small letter f U+0066 i latin small letter i U+0069 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