| Acronym | Meaning |
| QUAPI | Quasiadiabatic Propagator Path Integral Method |
| ETA | Emanation Thermal Analysis |
| IMROX | Immersed Rotation Oxidation |
| BSEM | Back Scattering Electron Microscopy |
| UDI | Utility Data Institute (power Generation) |
| ELCD | Electrolytic Conductivity Detection |
| AIR CHIEF | Air ClearingHouse For Inventories And Emission Factorspar |
| AGCM | Adiabatic Generator Coordinate Method (for Energy Level Calcn.) |
| VSFS | Vibrational Sum Frequency Spectroscopy |
| SNR | Signal-to-noise Ratio |