| Acronym | Meaning |
| QLCPMET | Quasilinearized Coupled-pair-many-electron Theory |
| ECISDT | Size-extensive CI With Single And Double And Triple Excitations |
| CFFE | Continuous Free Flow Electrophoresis |
| TTHM | Total Trihalomethane |
| SENSOR | Sentinel Event Notification Systems For Occupational Risks |
| DIM-3C | Diatomics-in-mols. Method Including 3-center Terms (integrals) |
| WSOEA | Wallace Second-order Eikonal Approximation |
| WHPA | Wellhead Protection Areas |
| UCCD | (spin) Unrestricted Coupled Cluster (with) Double (excitations) |
| SRLS | Stimulated Raman Loss Spectroscopy |