| Acronym | Meaning |
| BIC | Bragg Ionization Chamber |
| ATPASE | Adenosine Triphosphatase |
| DIMP | Diisopropyl Methylphosphonate |
| CFS | Continuous Flow System |
| GCHF | Generator Coordinate Hartree-Fock |
| BAEP | Brainstem Auditory Evoked Potentials |
| CCPA | Cluster Coherent Potential Approximation (for Electronic Structure Calcns.) |
| FRM | Federal Reference Method |
| PDF | Probability-distribution Function |
| NIPALS | Nonlinear Iterative Partial Least Squares |