| Acronym | Meaning |
 | ZS | Zettasiemens |
| SF | Fleet Submarine (retired US Navy Hull Classification) -San Francisco - Science Fiction -South Africa (FIPS 10-4 Country Code) -Speculative Fiction - Special Forces |
| LHC | Large Hadron Collider |
| CIMMYT | Centro Internacional De Mejoramiento De Maz Y Trigo (Spanish |
| CGS | Chief Of The General Staff |
| MI | Mebi |
| RCCO | Royal Canadian College Of Organists |
| BLCSE | Battle Laboratory Constructive Simulation Environment |
| 4D | Four-dimensional (usually Three Spatial Plus One Temporal Dimension |
| CHE | Switzerland (ISO 3166 Trigram; From Latin Confoederatio Helvetica) |
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