| Acronym | Meaning |
 | SYC | Seychelles (ISO 3166 Trigram) |
| PNP | Partido Nuevo Progresista - Plug 'N' Play/Pray - Positive Negative Positive |
| MOM | Management Object Model (HLA) - Message Oriented Middleware |
| USNOFS | U.S. Naval Observatory Flagstaff Station |
| AML | Acute Myeloid Leukaemia |
| YD | People's Democratic Republic Of Yemen (ISO 3166 Digram |
| OCN | Oncology Certified Nurse |
| SOHC | Single-OverHead-Cam Engine |
| FZFG | Freezing Fog (METAR Code) |
| CSIS | Canadian Security Intelligence Service (seessiss) -(U.S.) Center For Strategic & International Studies |
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