| Acronym | Meaning |
| SPQR | Senatus Populus Que Romanus (Latin The Senate And The People Of Rome) |
| BGS | Bristol Grammar School - British Geographical Survey |
| MACHO | MAssive Compact Halo Object |
| BIOS | Basic Input/Output System - British Institute Of Organ Studies |
| WCS | Weapon Control Status - Wildlife Conservation Society |
| CNV | Copy-Number Variable (genetics) |
| NAO | UK National Audit Office |
| ADHS | Attention-Deficit Hyperactivity Syndrome |
| LPD | Landing Platform Dock (Navy Hull Classification) - Low Probability Of Detection |
| AT | Astatine |