| Acronym | Meaning |
| INDO/S | INDO/spectroscopic Approxn. |
| CED | Cohesive Energy Density |
| ARSPIPES | Angle Resolved Spin Polarised Inverse Photo Emission Spectroscopy |
| HFCC | Hyperfine Coupling Constant |
| HPRT | Hypoxanthine Phosphoribosyltransferase |
| AHR | Aryl Hydrocarbon Receptor |
| RSPE | Rayleigh Schroedinger Perturbation Expansion |
| NOHS | National Occupational Hazard Survey |
| CIV | Critical Ionization Velocity (ionosphere) |
| SMLR | Stepwise Multiple Linear Regression |