| Acronym | Meaning |
| TBEH | Tight-binding Extended Hueckel (extended Hueckel Tight-binding) |
| APS | American Physical Society |
| LASCS | Light-activated Silicon Controlled Switch |
| PWB | Printed Wiring Board |
| PIES | Partial Integration Exterior Scaling (in Calcns. On Resonance Positions And Lifetimes |
| PMC | Permanently Manned Capability (of Space Station) |
| NEAT | Near Earth Asteroid Tracking |
| MIDAS | Microimaging Dust Analysis System |
| ROSINA | Rosetta Orbiter Spectrometer For Ion And Neutral Analysis |
| EPACSAR | EPA Chemical Activities Status Report |