| Acronym | Meaning |
| SME | Northern Sami Language (ISO 639-2 Code) |
| AZE | Azerbaijan (ISO 3166 Trigram) |
| SIMAC | Semantic Interaction With Music Audio Contents |
| PK | Pakistan (ISO 3166 And FIPS 10-4 Country Code Digram) - Petakelvin -Player Kill[er] - Probability Of Kill -PolyKetone -Pulemet Kalashnikova (Russian ?? ??????? ??????????? |
| ALGOL | ALGOrithmic Language |
| CAF | Central African Republic (ISO 3166 Trigram) -Confederation Of African Football (or French Conf?d?ration Africaine De Football) |
| RAP | Radio Access Point - Radiological Assistance Program (U.S. Department Of Energy) - Rear Area Protection - Recognised [Operating/Operational] Air Picture - Recurring Advance Payment - Relational Associative Processor - Reliable Acoustic Path - Rocket-Assis |
| BG | Bulgarian Language (ISO 639-1 Code) |
| IN | Indium |
| OPCW | Organization For The Prohibition Of Chemical Weapons |