Definitions Found:
MELTDOWN, the melting of the core of a nuclear reactor
- meltdownsMELTDOWN, the melting of the core of a nuclear reactor
- meltdownthe melting of the core of a nuclear reactor
- meltdownsAn accident in a nuclear reactor in which the fuel overheats and melts the reactor core or shielding
- meltdownAn accident in a nuclear reactor in which the fuel overheats and melts the reactor core or shielding
- promethiumThe chemical element of atomic number 61, a radioactive metal of the lanthanide series. It was first produced artificially in a nuclear reactor and occurs in nature in traces as a product of uranium fission