| Acronym | Meaning |
| RFT | Respirator Fit Test |
| DDRPA | Double Direct Random Phase Approximation |
| LSDSIC | Local-spin-density Self-interaction-correction Approxn. (in Total Energy Calcns. For Atoms) |
| DVI | Dust Veil Index |
| WFA | Window Factor Analysis |
| FFM | Finite Field Method (in Mol. Polarizabilities Calcns.) |
| MWP | Mixed Waste Paper |
| LLRD | Long-lived Radioactive Dust |
| SCNT | Somatic Cell Nuclear Transfer |
| ETGAO | Even-tempered Gaussian Atomic Orbital |