| Acronym | Meaning |
| CCPA | Cellular Coherent-potential Approximation (for Electronic Structure Calcns.) |
| MR-MP | Multireference Moeller-Plesset (perturbation Theory) |
| CDAF | Continuous Distributed Approximating Function |
| FRC | Frozen Core Approxn. |
| CERL | Corvallis Environmental Research Laboratory |
| DLA | Diffusion-Limited Aggregation |
| PVC | Pigment Volume Concentration |
| RTE | Reversible Temper Embrittlement |
| PVEC | Photovoltaic Energy Conversion |
| TRIUMF | Tri-University Meson Facility |