| Acronym | Meaning |
| RRN | Recurrence Rate Number |
| ABET | Accreditation Board For Engineering And Technology |
| XUL | XML User Interface Language |
| FEAST | Forum For European-Australian Science And Technology Cooperation |
| G1 | Assistant Chief-of-Staff |
| TACC | Tactical Air Control Centre - (USAF) Tanker Airlift Control Center |
| SLPM | Standard Litre Per Minute (air Flow) |
| UNCSGN | United Nations Conference On The Standardization Of Geographical Names |
| BAA | British Airport Authority |
| PPLI | Precise Participant Location & Identification |