| Acronym | Meaning |
| RCM | Radiative Convective Model (of Climate) |
| 2PH TDA | Two-particle-hole Tamm-Dancoff Approximation (for Closed-shell |
| ISVM | Iterative Schwinger Variational Method |
| NNLS | Non-negative Least-squares |
| QPO | Quasi-periodic Oscillation |
| SPT | Standard Penetration Test |
| CISTI | Canadian Institute For Scientific And Technical Information |
| HFPT | Hartree-Fock Perturbation Theory |
| LCSPM-HO | Linear Combination Of Symmetry-adapted Products Of Morse Harmonic Oscillator (wave Functions) |
| CB1 | Corrected First Born (perturbation Theory In Atom-ion Collisions) |