| Acronym | Meaning |
| WCBO | World Chess Boxing Organisation |
| OB | Obiit (Latin |
| MTWS | MAGTF Tactical Warfare System |
| CSS | Cascading Style Sheets - Catalina Sky Survey - Central Security Service - Combat Service Support - Confederate States Ship - Content-scrambling System - Cross-site Scripting |
| J8 | Joint Force Structure |
| URI | Uniform Resource Identifier |
| FAB | Feline Advisory Bureau (UK Feline Charity) |
| JDBC | Java Data Base Connectivity |
| OIOC | Oriental & India Office Collections (in The British Library) |
| NAVSPACECOM | U.S. Navy Space Command |