| Acronym | Meaning |
| ELO | Equivalent Localized Orbitals |
| LSDC | Local Spin Density Correlation (functional) |
| EMS | Electromagnetic Susceptibility |
| GDOES | Glow Discharge Optical Emission Spectrometry |
| GDLC | Gel-Glass Dispersed Liquid Crystals |
| 2PPE | Two-photon Photoemission |
| LLRW | Low Level Radioactive Waste |
| NAPCA | National Air Pollution Control Administration |
| LALA | Large Area Lyman Alpha |
| OOS | Optical-oscillator Strength |