| Acronym | Meaning |
| BGS | Bristol Grammar School - British Geographical Survey |
| KSM | Korean Service Medal |
| HAZ | Heat-Affected Zone |
| MOPP | Mission-Oriented Protective Posture |
| NRU | Nauru (ISO 3166 Trigram) |
| DNDI | Drugs For Neglected Diseases Initiative |
| XVII | Seventeen (in Roman Numerals) |
| CIBC | Canadian Imperial Bank Of Commerce (obsolete) |
| ZI | Zimbabwe (FIPS 10-4 Country Code) |
| MHHW | Mean Higher High Water (nautical Charts) |