atomic number 104 atomic number 103 • atomic number 105 · · · Info · Definitions · Synonyms · Characters · · atomic number 104 · · Text Common · · Latin · · Scripts 17 · · Length 9 · · Syllables Definitions · · · (noun) a radioactive transuranic element which has been synthesized. Synonyms: rutherfordium, Rf, unnilquadium, Unq, element 104, atomic number 104. · · Noun Definition 1 Synonyms · · · rutherfordium · · Synonym 1 rf · · Synonym 2 unnilquadium · · Synonym 3 unq · · Synonym 4 element 104 · · Synonym 5 Characters · · space U+0020 0 digit zero U+0030 1 digit one U+0031 4 digit four U+0034 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 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 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075