| Acronym | Meaning |
| RSCF | Relativistic Self-consistent Field |
| LSDXS-SIC | Local-spin-density (with) Screened Exchange (and) Self-interactiond Correction |
| HFKS | Hartree-Fock-Kohn-Sham (density-functional Theory) |
| ARAR | Applicable Or Relevant And Appropriate Standards, Limitations, Criteria, And Requirements |
| SOLO | Second-order Correlated Localized Orbital-local Origin (method) |
| EQA | External Quality Assessment |
| ATM | Asynchronous Transfer Mode |
| CNDO/SW | Complete Neglect Of Differential Overlap / Sichel-Whitehead |
| SGR | Steam Gas Recycle (process For Shale Oil Recovery) |
| CGO | Configuration Generating Orbital (a Type Of MO) |