| Acronym | Meaning |
| DCA | Dressed-cluster Approximation (in Band-structure Calcns.) |
| MBRSPT | Many-body Rayleigh-Schroedinger Perturbation Theory |
| WHIMS | Wet High Intensity Magnetic Separation |
| BWCC | Brillouin-Wigner Coupled-cluster (theory) |
| MS | Mass Spectrometer |
| DQFCOSY | Double-quantum-filtered Correlation Spectroscopy |
| TZ | Triple Zeta (basis Set) |
| DMSP | Defense Meteorological Satellite Program |
| STPD | Short Ton/day |
| VAD | Vacuum Arc Degassing |