| Acronym | Meaning |
| PLL | Phase-Locked Loop (electronics) |
| LATA | Local Access Transport Area |
| P | Peta - Phosphorus |
| YG | Yoctogram |
| BIF | Burundian Franc (ISO 4217 Currency Code) |
| CPSU | Communist Party Of The Soviet Union |
| CDR | Commander |
| MRI | M?ori Language (ISO 639-2 Code) |
| ANOVA | ANalysis Of VAriance |
| IAU | International Association Of Universities - International Astronomical Union |