| Acronym | Meaning |
| NKA | No Known Allergies |
| RRN | Recurrence Rate Number |
| FOTA | Fellow Of The Orthodontic Technicians Association |
| USDI | United States Department Of The Interior |
| SERE | Survival |
| IGS | International Ground Station |
| B2E | Business-to-employee Electronic Commerce |
| MAO | Mol?t? Astronomijos Observatorija (Moletai Astronomical Observatory) - MonoAmine Oxidase |
| OASP | Operational Analysis Support Paper/Plan |
| TDM | Time-Division Multiplexing |