| Acronym | Meaning |
| UDWBA | Unitarized Disorted Wave Born Approxn. (for Scattering) |
| LPE | Liquid-phase Epitaxy |
| CCS | Classical Centrifugal Sudden (in Calcns. On Reactions) |
| ILZRO | International Lead Zinc Research Organization |
| UHF-CO | Unrestricted Hartree-Fock Crystal Orbital |
| FBA | Fluorescent Brightening Agent |
| WLN | Washington Library Network |
| FEL | Free Electron Laser |
| EMTIC | Emission Measurement Technical Information Center |
| PREEN | Pacific Rim Energy And Environment Network |