| Acronym | Meaning |
| RE | Rhenium |
| TPO | Thrombopoietin |
| FSI | Fuel Stratified Injection |
| ORR | Oak Ridge Reservation (U.S. DOE) - Office Of Rail Regulation (UK Government) - Office Of Refugee Resettlement - (CIA) Office Of Research And Reports - Operational Readiness Rate - Operational Readiness Review |
| MPSOC | MultiProcessor System-on-Chip |
| IVECO | Industrial Vehicles Corporation |
| YL | Yottalitre |
| TUK | Turkmen Language (ISO 639-2 Code) |
| DZD | Algerian Dinar (ISO 4217 Currency Code) |
| FEP | Firepower Enhancement Program - Fleet Satellite (FLTSAT) Extremely High Frequency (EHF) Package |