| Acronym | Meaning |
| HFRSPT | Hartree-Fock Rayleigh-Schroedinger Perturbation Theory |
| NARS | National Asbestos Registry System |
| EPTOX | Extraction Procedure Toxicity Test |
| ICB | Ionized Cluster Beam |
| CHAMPP | Computer Hardware |
| PTGS | Post-transcriptional Gene Silencing |
| DOS | Density Of States (in Band Structures) |
| LWR | Locally Weighted Regression |
| PA/SI | Preliminary Assessment/Site Inspection |
| DIN | Deutsche Industrie-Norm (German Industrial Standard) |