| Acronym | Meaning |
| LUC | Large Unit Cell Semiempirical Approxn. (for Band Structure) |
| PMN | Lead Magnesium Niobate |
| AWI | Air Water Interface |
| LORG | Localized Orbital-local Origin |
| WRAC | Waste Reduction Audit Checklist (component Of WRAS) |
| GSC | Geological Survey Of Canada |
| ELO | Edge Localized Orbital |
| PMTDI | Provisional Maximum Tolerable Daily Intake |
| LMSAL | Lockheed Martin Solar And Astrophysics Laboratory |
| NTS | Nucleus Of The Solitary Tract |