high-level radioactive waste high-level language • high-lineaged · · · Info · Definitions · Characters · · high-level radioactive waste · · Text Common · · Latin · · Scripts 28 · · Length 8 · · Syllables Definitions · · · (noun) radioactive waste that left in a nuclear reactor after the nuclear fuel has been consumed. Synonyms: high-level radioactive waste. · · Noun Definition 1 Characters · · space U+0020 - hyphen-minus U+002D a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076 w latin small letter w U+0077