| Acronym | Meaning |
| HAM/N | Hydrogenic Atoms In Molecules |
| EASE | Electronic Absorption Spectroscopy Experiments |
| SESF | Superlattice Extrinsic Stacking Fault |
| BATSE | Burst And Transient Source Experiment |
| AFV | Alternatively Fueled Vehicle |
| FGRM | Fourier-grid R-matrix Formalism (in Scattering Problems) |
| SSCV | Semi-submersible Crane Vessel |
| GA | Genetic Algorithm |
| WERL | Water Engineering Research Laboratory |
| GCIB | Gas Cluster Ion Beam |