| Acronym | Meaning |
| ECW | Eastern Championship Wrestling - Extreme Championship Wrestling |
| PBT | PolyButylene Terephthalate |
| DTO | Disruptive Technology Office (was ARDA) |
| HM | Heard Island And McDonald Islands (ISO 3166 Digram; FIPS 10-4 Territory Code) |
| CND | Campaign For Nuclear Disarmament - Computer Network Defence |
| TG | Teragram |
| HEU | Highly Enriched Uranium |
| GORP | Granola |
| MLG | Malagasy Language (ISO 639-2 Code) |
| CFA | Cat Fanciers' Association - Chartered Financial Analyst - Colour Filtering Array - County Fire Authority - Covering Force Area |