| Acronym | Meaning |
| DSO | Distinguished Service Order (British Military Decoration) |
| FEC. | Fecit (Latin |
| KH | Cambodia (ISO 3166 Digram) |
| OH | Ohio (postal Symbol) |
| NCES | U.S. National Center For Education Statistics - Net-Centric Enterprise Services |
| IRQ | Iraq (ISO 3166 Trigram) |
| WDWR | Walt Disney World Resort |
| OARSI | Osteoarthritis Research Society International |
| ICD | Implantable Cardioverter-Defibrillator - Initial Capabilities Document - International Classification Of Diseases |
| CDMA | Code Division Multiple Access |