| Acronym | Meaning |
| TRXPS | Total Reflection X-ray Photoelectron Spectroscopy |
| OPSE | Optically Pumped Stimulated Emission |
| CRT | Cathode Ray Tube |
| DPM | Disintegrations Per Minutepar |
| RDS | Raman Difference Spectroscopy |
| MOLLI | Modular Luminescence Lifetime Imaging System |
| IF DRM | Inversion-free Direct Recursion Method (for Surface Electronic Structure) |
| FTICRMS | Fourier Transform Ion Cyclotron Resonance Mass Spectrometry |
| NEAR | Near Earth Asteroid Rendezvous |
| SHOA | Second-harmonic Optical Activity |