| Subject | English | Maltese |
| gen. | controlled reactor | reattur kontrollat |
| el. | demonstration reactor for nuclear fusion | impjant dimostrattiv tal-enerġija mill-fużjoni |
| nucl.phys., nucl.pow. | fast neutron reactor | reattur tan-newtroni veloċi |
| nucl.phys., nucl.pow. | fast reactor | reattur tan-newtroni veloċi |
| environ. | fast reactor Nuclear reactor which produces more fissile material than it consumes, using fast-moving neutrons and making plutonium-239 from uranium-238, thereby increasing the reactor's efficiency | reattur rapidu |
| chem. | fixed-bed reactor | reattur b'sodda fissa |
| R&D., nucl.phys., nucl.pow. | HFR reactor | reattur ta' fluss għoli |
| R&D., nucl.phys., nucl.pow. | high-flux reactor | reattur ta' fluss għoli |
| R&D., nucl.phys. | international thermonuclear experimental reactor | Reattur Termonukleari Sperimentali Internazzjonali |
| nucl.phys., nucl.pow. | light water reactor | LWR |
| nucl.phys., nucl.pow. | light-water moderated reactor | LWR |
| environ. | nuclear reactor Device which creates heat and energy by starting and controlling atomic fission | reattur nukleari |
| chem. | post-column reactor | f'reattur ta' kolonna ta' wara |
| energ.ind., nucl.phys. | reactor pressure vessel | reċipjent taħt pressjoni tar-reattur |
| environ. | reactor safety Those studies and activities that seek to minimise the risk of a nuclear reactor accident | sikurezza tar-reattur |
| chem. | trickle-bed reactor | reattur b'sodda perkolatriċi |