| Acronym | Meaning |
| PSI | Portable Source Initiative |
| SAW | Squad Automatic Weapon - Surface Acoustic Wave |
| NDP | New Democratic Party (Canada) |
| AOU | American Ornithologists' Union |
| MDG | Madagascar (ISO 3166 Trigram) -UN Millennium Development Goal |
| MCTIS | Mounted Co-operative Target Identification System |
| ZAS | Zylinder Abschaltung System |
| IMR | Inzhenernaya Mashina Razgrazhdeniya (Russian ?????????? ?????? ???????????? |
| MBM | Meat And Bone Meal |
| RD | Radio Disney |