| Subject | English | Italian |
| industr., construct., chem. | copper ruby glass | rubino al rame |
| industr., construct., met. | flash ruby struck by reheating | soffio per vetri incamiciati |
| chem. | ruby arsenic | As2S2 |
| chem. | ruby arsenic | rubino di arsenico |
| industr., construct., met. | ruby glass | vetro rubino |
| el. | ruby laser | laser a rubino |
| met. | ruby silver | pirargirite |
| met. | ruby spinel | spinello rosso |
| med. | ruby spots | macchia rubina |
| industr., construct., chem. | selenium ruby glass | vetro rubino al selenio |
| industr., construct., chem. | selenium ruby glass | rubino al selenio |