| Acronym | Meaning |
| UCC(N) | Unitary Coupled-cluster [truncated To Nth Order] |
| GEOS | Goddard Earth Observing System |
| LOM | Laminated Object Manufacturing |
| WSD | Water Saturation Deficit |
| VDHF | Variational Dirac-Hartree-Fock |
| UERPIC | Underground Excavation And Rock Properties Information Center |
| PMT | Photomultiplier Tube |
| FINS | Forensically Informative Nucleotide Sequencing |
| SLAM | Scanning Laser Acoustic Microscopy |
| SC-SI | Semiclassical State Interaction (method For Solving Schroedinger Equation) |