| Acronym | Meaning |
 | RBOC | Regional Bell Operating Company (Baby Bell) |
| WEU | Western European Union |
| LI | Fifty-one (in Roman Numerals) -Liberia (FIPS 10-4 Country Code) - Liechtenstein (ISO 3166 Digram) |
| ARI | Acute Respiratory Infection - U.S. Army Research Institute For The Behavioral And Social Sciences |
| SOV | Single Occupant Vehicle |
| CONOPS | Concept Of Operations (military) |
| SW | Swahili Language (ISO 639-1 Code) |
| E.G. | Exampla Gratia (Latin |
| LER | Loss-Exchange Ratio |
| PKI | Public Key Infrastructure (cryptography) |
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