| Acronym | Meaning |
| QLCPMET | Quasilinearized Coupled-pair-many-electron Theory |
| WKB | Wentzel-Kramers-Brillouin (phase-shift Formula For Potential Scattering) |
| SALCCSD | Spin-adapted Linear Coupled-cluster (with) Single And Double Excitations) |
| AWG | Arrayed Waveguide Grating |
| ACCDPPA | Approx. Coupled Cluster With Double Excitations Polarization Propagator Approxn. |
| HUD | Housing And Urban Development |
| CDC | Center For Disease Control |
| PRP | Proline-rich Protein |
| PSRI | Planetary Sciences Research Institute |
| QSSPC | Quasi-steady-state Photoconductance |