| Acronym | Meaning |
| MU | Mauritius (ISO 3166 Digram) - Oman (FIPS 10-4 Country Code; From Muscat) |
| PETA | Pentaerythritol Triacrylate - People Eating Tasty Animals - People For The Ethical Treatment Of Animals |
| CLP | Chilean Peso (ISO 4217 Currency Code) -Common [Operating/Operational] Land Picture |
| ARA | Arabic Language (ISO 639-2 Code) |
| BOS | Bosnian Language (ISO 639-2 Code) |
| IVI | Interchangeable Virtual Instrument |
| PEI | Prince Edward Island - PolyEtherImide |
| NJ | New Jersey (postal Symbol) |
| RWF | Rwandan Franc (ISO 4217 Currency Code) |
| PDRY | People's Democratic Republic Of Yemen (obsolete Since 1990) |