| Acronym | Meaning |
| NTEF | Near Total External Fluorescence |
| ELMO | Energy-localized Molecular Orbital |
| EEL | Environmental Exposure Levels |
| EPSP | Excitatory Postsynaptic Potential |
| FP | Fluorescence Polarizationpar |
| RPE | Retinal Pigment Epithelium |
| NAPRI | North American Pollutant Release Inventory |
| ALAU | Delta-aminolevulinic Acid Dehydratase In Urine (lead Poisoning Indicator) |
| BCIRA | British Cast Iron Research Association |
| JGOFS | Joint Global Ocean Flux Study |