| Acronym | Meaning |
 | BVT | Bouvet Island (ISO 3166 Trigram) |
| CCH | Computer-Controlled Hostile |
| HRH | His (or Her) Royal Highness |
| BSF | British Standard Fine (screw Thread) |
| NEO | Near-Earth Object - Non-combatant Evacuation Operations |
| OCD | Obsessive-Compulsive Disorder |
| IRB | International Rugby Board |
| UNGEGN | United Nations Group Of Experts On Geographic Names |
| NIDRR | National Institute On Disability Research And Rehabilitation |
| THG | Tetrahydrogestrinone |
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