| Acronym | Meaning |
| HIIS | Heavy Ions In Space |
| LPP | Laser-produced Plasma |
| INMS | Institute For National Measurement Standards |
| UARS | Upper Atmosphere Research Satellite |
| APSA | Advanced Photovoltaic Solar Array |
| RBOT | Rotary Bomb Oxidn. Test |
| AHH | Aryl Hydrocarbon Hydroxylase |
| ARP | Adiabatic Rapid Passage |
| SIBS | Spark Induced Breakdown Spectroscopy |
| NASQUAN | National Stream Water Quality Accounting Network |