| Acronym | Meaning |
 | THG | Tetrahydrogestrinone |
| OECD | Organization For Economic Co-operation And Development (international) |
| IRR | Iranian Rial (ISO 4217 Currency Code) |
| RPA | Regional Plan Association |
| MB | Manitoba (postal Symbol) - Martinique (FIPS 10-4 Territory Code) |
| ATAPI | Advanced Technology Attachment Packet Interface |
| VI | 6 (in Roman Numerals) - British Virgin Islands (FIPS 10-4 Territory Code) - U.S. Virgin Islands (postal Symbol; ISO 3166 Digram) -vide Infra (Latin |
| PDRY | People's Democratic Republic Of Yemen (obsolete Since 1990) |
| CNO | Computer Network Operations |
| ACTF | Australian Children's Television Foundation - (U.S.) Army Constructive Training Federation |
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