| Acronym | Meaning |
| LEP | Light Emitting Polymer |
| CIR | Cylindrical Internal Reflection |
| EFIG | Emission Factor Inventory Grouppar |
| EFIN | Environmental Financing Information Network |
| ECHO | European Community Host Organization |
| CCOM | Coupled Channel Optical Method |
| SES | Surface Electronic State |
| SPIN | Silica Phase-immobilized Nitroxide |
| MORB | Mid-ocean Ridge Basalt |
| EFISH | Elec. Field-induced 2nd-harmonic Generation |