| Acronym | Meaning |
| DWIM | Do What I Mean |
| FACTS | Flexible Alternating Current Transmission System |
| SAN | Sanskrit Language (ISO 639-2 Code) |
| HRD | Human Resource Development |
| SST | SuperSonic Transport -Training Submarine (US Navy Hull Classification) - Saturated Suction Temperature (refrigeration Cycles) |
| DTLOMS | Doctrine |
| NMR | Nuclear Magnetic Resonance |
| STUKA | Sturzkampfflugzeug (German WWII Dive Bomber) |
| SSS | Siding Spring Survey - Side Side Side (an Acronym For Remembering Congruent Triangles) |
| WWIII | World War III |