| Acronym | Meaning |
| ERS | External Reflection Spectroscopy |
| OTS | Office Of Toxic Substances (USEPA) |
| ECCI | Electron Capture Chemical Ionization |
| PIGE | Proton Induced Gamma-ray Emission |
| OVD | Outside Vapor Deposition |
| SPINOE | Spin Polarization-induced Nuclear Overhauser Effect |
| VOA | Variable Optical Attenuator |
| AIDJEX | Arctic Ice Dynamics Joint Experiment |
| SVESS | Selected Valence-electron Split-shell Method (MO) |
| ADAM | Angular Distribution Auger Microscopy |