| Acronym | Meaning |
| NLSD | Nonlocal Spin Density (functional Theory) |
| BOCLE | Ball-on Cylinder Lubricity Evaluator |
| OPTS | Office Of Pesticides And Toxic Substances (USEPA) |
| PMP | Powder Melting Process |
| MC-CEPA | Multiconfigurational CEPA |
| RAL | Recommended Allowable Limit |
| CPM | Crucible Particle Metallurgy |
| GTDA | Generalized Tamm-Dancoff Approximation |
| DIC | Disseminated Intravascular Coagulation |
| UCAS-SCF | Unrestricted Complete Active Space Self-consistent Field |