| Subject | English | Maltese |
| mech.eng., el. | compression ignition | tqabbid bil-kompressjoni |
| mech.eng. | compression ignition engine | magni ta' tqabbid bil-kompressjoni |
| mech.eng. | compression ignition engine | magna diżil |
| transp. | compression ratio | proporzjon ta' kompressjoni |
| transp., mil., grnd.forc., mech.eng. | compression retarder | brejk tal-magna |
| comp., MS | compression utility | utilità għall-kompressjoni (A software program that reduces a file's size for storage on a disk. If a compressed file is too large to fit onto a single disk, the compression utility copies it onto multiple disks) |
| transp., tech., law | spring compression chamber | kompartiment ta' kompressjoni tal-molol |