| Subject | English | Italian |
| IT | external optical disk drive | unita'disco ottico esterna |
| IT | internal optical disk drive | unità per disco ottico interna |
| gen. | optical disk | disco |
| IT, dat.proc. | optical disk | disco ottico |
| IT, dat.proc. | optical disk | disco ottico numerico |
| gen. | optical disk | disco laser |
| gen. | optical disk | videodisco |
| gen. | optical disk | compact disc |
| gen. | optical disk inflammation | infiammazione delle papille degli occhi |
| med. | optical disk inflammation | papillite |
| IT | optical disk juke box | "juke box" con dischi ottici |
| patents. | optical disks | dischi ottici |
| med. | swollen optical disk | papilledema |
| gen. | swollen optical disk | gonfiore della papilla del nervo ottico |
| IT, dat.proc. | write once optical disk | disco ottico numerico |
| comp., MS | zero power optical disk drive | unità disco ottico a consumo zero (Pertaining to the ability to reduce the power consumption of optical disk drives in the operating system to zero to save energy when the drives are not in use) |