| Acronym | Meaning |
| ORB | #NAME? |
| WXO | Weather [Executive] Officer |
| DMPFC | DorsoMedial PreFrontal Cortex |
| APOE | Aerial Port (Airport) Of Embarkation |
| COS | Cooper Ornithological Society |
| PADI | Professional Association Of Diving Instructors |
| ESP | Electronic Stability Program - Extra-sensory Perception -Spain (ISO 3166 Trigram) |
| ARS | Agricultural Research Service -Argentine Peso (ISO 4217 Currency Code) |
| IMPT | Institute Of Maxillofacial Prosthetists And Technologists |
| LX | Luxembourg (amateur Radio ITU Prefix) - Swiss International Airlines (IATA Code) |