| Acronym | Meaning |
| RSRE | UK Royal Signals And Radar Establishment (1976?1991) |
| GSS | Generic Security Services |
| CERCLA | U.S. Comprehensive Environmental Response |
| FAD | Flavin Adenine Dinucleotide |
| EMCON | (Electromagnetic) Emissions Control |
| N | Nano |
| YEM | Yemen (ISO 3166 Trigram) - Manitowaning/Manitoulin East Municipal Airport IATA Airport Code |
| MCD | Minimal Cerebral Dysfunction |
| SWIR | Short Wave InfraRed (ss-why-are Or Swhirr) |
| PR | Praseodymium |