| Acronym | Meaning |
| QC | Quality Control -Qu?bec (postal Symbol) -Queen's Counsel |
| TH | Thorium |
| PVP | Player Versus Player |
| MY | Burmese Language (ISO 639-1 Code) |
| CADCAM | Computer-Aided Design/Computer-Aided Manufacturing |
| RS | Russia (FIPS 10-4 Country Code) |
| LG | Latvia (FIPS 10-4 Country Code) |
| PARWIG | Power Augmented Ram Wing In Ground (aeroplane Wing Shape) |
| CIR | Corotating Interaction Region |
| OA | Operational Analysis |