rutherfordium rutherfordite • ruthful · · · Info · Definitions · Synonyms · Characters · · rutherfordium · · Text Latin · · Script 13 · · Length 5 · · Syllables Definitions · · · (noun) a radioactive transuranic element which has been synthesized. Synonyms: Rf, unnilquadium, Unq, element 104, atomic number 104. · · Noun Definition 1 Synonyms · · · rf · · Synonym 1 unnilquadium · · Synonym 2 unq · · Synonym 3 element 104 · · Synonym 4 atomic number 104 · · Synonym 5 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D 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