| Acronym | Meaning |
 | CIPE | (European) Centre For International Political Economy |
| SIF | Selective Identification Feature |
| BRI | Bathroom Readers Institute (publishers Of Series Of Uncle John's Bathroom Readers Books) |
| ORSA | Oxacillin-resistant Staphylococcus Aureus - Operations Research Society Of America |
| YEM | Yemen (ISO 3166 Trigram) - Manitowaning/Manitoulin East Municipal Airport IATA Airport Code |
| TT | Teratesla -Terrestrial Time - Tourist Trophy (Motorcycle Sport) -Trinidad And Tobago (ISO 3166 Digram) |
| DIVAD | Division Air Defence |
| LUCA | Last Universal Common Ancestor |
| ANM | Acoustic Noise Monitor |
| XBA | European Composite Unit (EURCO; Bonds Market Unit) (ISO 4217 Currency Code) |
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