| Acronym | Meaning |
| SISO | Simulation Interoperability Standards Organization - Society Of Independent Show Organizers |
| NPL | National Priorities List -Nepal (ISO 3166 Trigram) |
| SMDR | Station Message Detail Recording |
| NASA | National Aeronautics And Space Administration |
| NOK | Norwegian Krone (ISO 4217 Currency Code) |
| CUNY | City University Of New York (CUE-knee) |
| STAT | Signal Transducers And Activators Of Transcription (cell Biology) - Special Tertiary Admissions Test (Australia) |
| IAU | International Association Of Universities - International Astronomical Union |
| MRI | Magnetic Resonance Imaging |
| SE | Seychelles (FIPS 10-4 Country Code) - South-East - Sweden (ISO 3166 Digram) -Synthetic Environment - System Engineering |