| Acronym | Meaning |
| SSR | Radar Picket Submarine (retired US Navy Hull Classification) -Solid State Recorder |
| ESP | Electronic Stability Program - Extra-sensory Perception -Spain (ISO 3166 Trigram) |
| IGY | International Geophysical Year |
| UNFCCC | United Nations Framework Convention On Climate Change |
| NA | Sodium |
| OME | Osaka Mercantile Exchange |
| HDRA | Henry Doubleday Research Association |
| IVI | Interchangeable Virtual Instrument |
| DEFRA | (UK) Department For Environment |
| JU | Juan De Nova Island (FIPS 10-4 Territory Code) |