uranium 235 uranium • uranium 238 · · · Info · Definitions · Characters · · uranium 235 · · Text Common · · Latin · · Scripts 11 · · Length 10 · · Syllables Definitions · · · (noun) a uranium isotope with mass number 235; capable of sustaining chain reactions. Synonyms: uranium 235. · · Noun Definition 1 Characters · · space U+0020 2 digit two U+0032 3 digit three U+0033 5 digit five U+0035 a latin small letter a U+0061 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 u latin small letter u U+0075