| Answer | Crossword Clue |
|---|---|
| YELLOWCAKE | Nuclear reactor fuel |
| spiking | Enrich (a nuclear reactor or its fuel) with a particular isotope |
| critical | (of a nuclear reactor or fuel) Maintaining a self-sustaining chain reaction |
| breeder | nuclear reactor designed to produce more fissionable material than it uses as fuel called also breeder reactor |
| meltdown | An accident in a nuclear reactor in which the fuel overheats and melts the reactor core or shielding |
| meltdowns | An accident in a nuclear reactor in which the fuel overheats and melts the reactor core or shielding |
