| Acronym | Meaning |
| UVPS | Ultraviolet Photoelectron Spectroscopy |
| ESDIAD | Electron Stimulated Desorption Of Ion Angular Distribution |
| IDP | Interplanetary Dust Particle |
| HWS | Hazardous Waste Site |
| VHSIC | Very High Speed Integrated Circuit |
| EOSP | Earth Observing Scanning Polarimeter |
| HETG | High-energy Transmission Grating |
| LIBORS | Laser Ionization Based On Resonance Saturation |
| QSEX | Quadrature Selective Excitation |
| SDS | Simulated Distribution System [for Water] |