| Acronym | Meaning |
| PEI | Prince Edward Island - PolyEtherImide |
| MEX | Mexico (ISO 3166 Trigram) |
| MIRA | MILAN Infra-Red Acquisition (thermal Sight) |
| RPN | Reverse Polish Notation |
| ER | Erbium |
| FLUBOS | Fat |
| REME | Royal Electrical And Mechanical Engineers |
| NM | Nanometre |
| SOAP | Simple Object Access Protocol |
| IMPT | Institute Of Maxillofacial Prosthetists And Technologists |