| Acronym | Meaning |
| PWBA-C | Coulomb Corrected Plane Wave Born Approxn. |
| PLDA | Piecewise Linear Discriminant Analysis |
| ZAAS | Zeeman Atomic Absorption Spectroscopy |
| PSI-BLAST | Position-specific Iterated BLAST |
| ABI | Automated Ball Indentation |
| SANO | Symmetry-adapted Natural Orbital |
| ETEAO | Even-tempered Exponential Atomic Orbital |
| CBDS | Carcinogenesis Bioassay Data System |
| SHRP | Strategic Highway Research Program |
| ETF | Exponential-type Function (an Ao) |