| Acronym | Meaning |
| PT | Portuguese Language (ISO 639-1 Code) |
| FAS | Persian Language (ISO 639-2 Code) |
| GOYADIN | Get Off Your Arse |
| SRGW | Short-Range Guided Weapon |
| NC | Nanocoulomb |
| MGPAM | My Gym Partner's A Monkey |
| HSPH | Harvard School Of Public Health |
| SECAM | S?quentiel Couleur ? M?moire (French For Colour Sequential With Memory; TV Standard |
| NBA | National Basketball Association |
| DTO | Disruptive Technology Office (was ARDA) |