| Acronym | Meaning |
| DU | Depleted Uranium -Dust (METAR Code) |
| OED | Oxford English Dictionary |
| DORA | Defence Of The Realm Act |
| CSS | Cascading Style Sheets - Catalina Sky Survey - Central Security Service - Combat Service Support - Confederate States Ship - Content-scrambling System - Cross-site Scripting |
| ITC | InferoTemporal Cortex (neurophysiology) |
| E&E | Escape And Evasion (training) |
| GSOH | Good Sense Of Humour |
| CFR | Code Of Federal Regulations |
| GOSP | Gas/Oil Separation Plant |
| FBCS | Fellow Of The British Computer Society |