| Acronym | Meaning |
| INDO/RZ | Intermediate Neglect Of Differential Overlap/Ridley-Zerner |
| ASAS | Advanced Solid State Array Spectrometer |
| ABMA | American Boiler Manufacturers Association |
| IU | International Unit |
| SSCP | Static Screened Coulomb Potential |
| SAPS | Spherical Average Pseudopotential |
| APS | Atom Probe Spectroscopy |
| CWBA | Coulomb-wave Born Approximation |
| HMPT | Hexamethylphosphoric Triamide |
| NNRTI | Non-nucleoside Reverse Transcriptase Inhibitor |