| Acronym | Meaning |
| BAW | Bond-order Alternation Wave (mol. Orbital) |
| EORCU | European Ozone Research Coordinating Unit |
| ECCF | Equilibrium Charge-charge Flux (model In Ir Spectra Calcns.) |
| CFS | Cubic Feet Per Second |
| FTTA | Federal Technology Transfer Act |
| CV-MCHF | Core-valence Correlation-multiconfiguration Hartree-Fock |
| ALMBE | Atomic Layer Molecular-beam Epitaxy |
| ARPS | Angle-resolved Photoelectron Spectroscopy |
| HSX | Helically Symmetric Experiment |
| CASTNET | Clean Air Status And Trends Network |