| nuclear | nuclear |
| nuclear accident | acidentes nucleares |
| Nuclear and radiation accidents | Acidente nuclear |
| Nuclear Blast | Nuclear Blast |
| nuclear bomb | bomba atômica |
| Nuclear chain reaction | Reacção em cadeia |
| nuclear debate | debates nucleares |
| nuclear disarmament | desarmamento nuclear |
| nuclear energy | energia nuclear |
| nuclear energy legislation | energia nuclear |
| nuclear energy use | energia nuclear |
| Nuclear envelope | Envoltório nuclear |
| nuclear explosion | explosões nucleares |
| nuclear facility | instalações nucleares |
| nuclear fission | fissão nuclear |
| Nuclear force | Força nuclear |
| nuclear fuel | combustíveis nucleares |
| Nuclear fuel cycle | Ciclo do Combustível Nuclear |
| nuclear fuel element | elementos combustíveis nucleares |
| nuclear fusion | fusão nuclear |
| nuclear hazard | perigos nucleares |
| Nuclear isomer | Isomeria nuclear |
| Nuclear Non-Proliferation Treaty | Tratado de Não-Proliferação de Armas Nucleares |
| nuclear physics | física nuclear |
| Nuclear pore | Poro nuclear |
| Nuclear power | Energia nuclear |
| nuclear power plant | usina nuclear |
| nuclear power station | usina nuclear |
| Nuclear program of Iran | Programa nuclear iraniano |
| Nuclear programme of Iran | Programa nuclear iraniano |
| nuclear reaction | reacções nucleares |
| nuclear reactor | reator nuclear |
| nuclear research centre | centros de investigação nuclear |
| nuclear risk | riscos nucleares |
| nuclear safety | segurança nuclear |
| Nuclear strategy | Estratégia nuclear |
| Nuclear summer | Inverno Nuclear |
| nuclear test | testes nucleares |
| nuclear war | guerra nuclear |
| nuclear warhead | ogiva nuclear |
| nuclear waste | lixo atômico |
| nuclear weapon | arma nuclear |
| Nuclear weapon design | Bomba de hidrogénio |
| nuclear-free | desprovido de armas nucleares |
| nucleic acid | ácidos nucleicos |
| Nucleic acids | Ácido nucleico |
| Nucleobase | Base nitrogenada |
| Nucleobases | Base nitrogenada |
| Nucleoid | Nucleóide |
| Nucleon | Nucleon |
| Nucleosome | Nucleossoma |
| Nucleotide | Nucleótido |
| nucleus | âmago |
