breeder reactor breeder • breeder tulip · · · Info · Definitions · Characters · · breeder reactor · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) a nuclear reactor that produces more fissile material than it burns. Synonyms: breeder reactor. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074