| Acronym | Meaning |
| EMC | Electric Membership Corporation - Electromagnetic Compatibility - Electro-Motive Corporation - European Muon Collaboration - Evergreen Marine Corporation |
| PLW | Palau (ISO 3166 Trigram) |
| 3M | Minnesota Mining And Manufacturing Company |
| APHE | Armour-Piercing |
| OECD | Organization For Economic Co-operation And Development (international) |
| CDT | Commandant |
| HKS | HyperKinetic Syndrome |
| SLR | Single-Lens Reflex (camera) |
| KNVB | Koninklijke Nederlandse Voetbal Bond (Dutch For Royal Netherlands Football Association) |
| POR | Proposed Operational Requirement |