| Acronym | Meaning |
| HFRSPT | Hartree-Fock Rayleigh-Schroedinger Perturbation Theory |
| TSW | Torsional Spin Wave (type Of Hartree-Fock Wave Function) |
| MAS | Molecular Absorption Spectroscopy |
| G.P. | Guinier-Preston Zone |
| ANLL | Acute Nonlymphocytic Leukemia |
| ARP | Angle-resolved Photoemission |
| LDF | Local Density Functional |
| LPUMP | L-fold (spin) Projected Unrestricted Moeller-Plesset |
| ORV | Optical Retardation Velocity |
| CCGT | Combined Cycle Gas Turbine |