| Acronym | Meaning |
| QECISDTQ | Quadratic Size-extensive CISDTQ |
| PHD | P-helicity Decoupling Scheme (p=momentum) |
| ELLSA | Enzyme Linked Ligand Sorbent Assay |
| LCGTO-DF | Linear Combination Of Gaussian Type Orbitals-density Functional |
| CIESE | Combined Ion Exchange-solvent Extraction |
| PWETF | Plane-wave Electronic Translational Factor (ion-atom Collisions) |
| AAGP | Aerobic Attached Growth Process |
| ANATEX | Across North America Tracer Experiment |
| SCC-DVM | Self-consistent-charge-discrete-variational Method |
| RSD | Relative Standard Deviation |