| Acronym | Meaning |
| RSN | Real Soon Now (coined By Author Jerry Pournelle) |
| CERGA | Centre De Recherches En G?odynamique Et Astrom?trie (French |
| ECHR | European Convention On Human Rights |
| SST | SuperSonic Transport -Training Submarine (US Navy Hull Classification) - Saturated Suction Temperature (refrigeration Cycles) |
| NAVS | Non-Cooperative Airborne Vector Scoring |
| NG | Nanogram - Ndonga Language (ISO 639-1 Code) |
| MIL | AASPEM -Man-In-the-Loop AASPEM |
| PY | Paraguay (ISO 3166 Digram) - Person-Year -Portsmouth Yardstick |
| DOA | Dead On Arrival - Dead Or Alive |
| ITC | InferoTemporal Cortex (neurophysiology) |