| Acronym | Meaning |
| ADRG | Arc-second Raster Chart (ARC) Digitized Raster Graphics |
| DIS | Defence Intelligence Staff - (U.S.) Defense Investigative Service - Distributed Interactive Simulation - Draft International Standard (ISO) |
| POCD | Post-Operative Cognitive Dysfunction |
| OHP | Observatoire De Haute-Provence |
| SBS | Special Boat Service - Special Broadcasting Service |
| HPA | UK Health Protection Agency |
| FLTSAT | Fleet Satellite |
| CGH | Comparative Genomic Hybridisation |
| APA | (i) American Psychiatric Association |
| TCL | Tool Command Language |