| Acronym | Meaning |
| ULF | Ultra Low Frequency |
| GA | Genetic Algorithm |
| TSMS | Thermospray Mass Spectrometry |
| MSA | Mean Spherical Approxn. |
| 3DAP | Three Dimensional Atom Probe |
| PON | Particulate Organic Nitrogen |
| EDXRF | Energy Dispersive X-ray Fluorescence |
| CERI | Center For Environmental Research Information |
| JOSO | Joint Organization For Solar Observations |
| CLCC | Ceramic Leaded Chip Carrier |