| Acronym | Meaning |
| GN | GuaranĀ Language (ISO 639-1 Code) |
| NCW | Network Centric Warfare |
| IQ | Idem Quod (Latin |
| OW | Old Wykehamist |
| ICD | Implantable Cardioverter-Defibrillator - Initial Capabilities Document - International Classification Of Diseases |
| LOTA | Licentiate Of The Orthodontic Technicians Association |
| SIIT | Saskatchewan Indian Institute Of Technologies (Canadian University) - Sirindhorn International Institute Of Technology (Thai University) - Stateless IP/ICMP Translation Algorithm |
| BSW | British Standard Whitworth (screw Thread) |
| IEA | International Energy Agency |
| BUNO OR BUNO | Bureau Number (aircraft Serial Number) |