| Acronym | Meaning |
| CDW | Coulomb Distorted Wave (for Scattering Calcns.) |
| HFET | Highway Fuel Economy Test |
| BORT | Bond Orbital Resonance Theory |
| BOTDR | Brillouin Optical Time Domain Reflectometry |
| CIMS | Chemical Ionization Mass Spectrometry |
| IWSA | International Water Supply Association |
| RMP2 | Restricted Moeller-Plesset Second-order (perturbation Theory) |
| BFU-E | Burst-forming Unit-erythroid |
| NDR | Neg. Differential Resistance |
| PAFT | Program For Alternative Fluorocarbon Toxicology Testing |