| Subject | English | Italian |
| el., industr., chem. | enriched uranium | uranio arricchito |
| environ. | enriched uranium Uranium whose concentration of uranium-235, which is able to sustain a nuclear chain reaction, is increased by removing uranium-238 | uranio arricchito |
| earth.sc. | enriched uranium-fueled reactor | reattore ad uranio arricchito |
| earth.sc. | enriched uranium-fueled reactor | reattore arricchito |
| earth.sc. | enriched uranium reactor | reattore ad uranio arricchito |
| earth.sc. | enriched uranium reactor | reattore arricchito |
| energ.ind., nucl.phys. | high-enriched uranium | uranio altamente arricchito |
| energ.ind., el. | high enriched uranium | uranio altamente arricchito |
| gen. | highly enriched uranium | uranio altamente arricchito |
| nucl.phys., met. | low enriched uranium | uranio a basso arricchimento |
| energ.ind., el. | low enriched uranium | uranio bassamente arricchito |