| Acronym | Meaning |
| NATO | National Association Of Theatre Owners - North Atlantic Treaty Organisation |
| PABX | Private Automated Branch EXchange (company Phone System) |
| SHOALS | Scanning Hydrographic Operational Airborne Lidar Survey |
| SVC | Secondary Visual Cortex |
| ASA | AcetylSalicylic Acid - American Standards Association - Army Security Agency - Atlantic Southeast Airlines |
| TSEC | Transmission Security Encryption Code |
| LSI | Large-Scale Integration |
| LSST | Large Synoptic Survey Telescope |
| DEFRA | (UK) Department For Environment |
| A2ATD OR A?ATD | Anti |