| Acronym | Meaning |
 | LOTIS | Livermore Optical Transient Imaging System |
| UPU | Universal Postal Union |
| ASDIC | Allied Submarine Detection Investigation Committee (Sonar) |
| OMR | Omani Rial (ISO 4217 Currency Code) |
| SOCCSKSARGEN | South Cotabato |
| AFAIK | As Far As I Know |
| PASR | Personnel Accounting And Strength Reporting |
| OASIS | Ontario Association Of Sewage Industry Services |
| MLI | Mali (ISO 3166 Trigram) |
| MCP | Maintenance Collection Point - Male Chauvinist Pig |
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