| Acronym | Meaning |
| ML | Mali (FIPS 10-4 Country Code; ISO 3166 Digram) -Maximum Likelihood -Megalitre |
| BFR | Brominated Flame Retardant |
| CBLA | Comparative Bullet Lead Analysis |
| PTSD | Post-Traumatic Stress Disorder |
| PBN | PolyButylene Naphthalate |
| OSDL | Open Source Development Labs |
| SFOB | Special Forces Operations Base |
| MQ | Martinique (ISO 3166 Digram) - Midway Islands (FIPS 10-4 Territory Code) |
| ATN | Dronning Maud Land (ISO 3166 Trigram; Merged With AQ In 1983) |
| WRT | With Respect To |