| Acronym | Meaning |
| SALI | Secondary Atom Laser Ionization |
| PPA | Pollution Prevention Act (of 1990) |
| QXRD | Quantitative X-ray Diffraction |
| MICROTAS | Micro-Total Analysis Systems |
| HRE | Hormone-responsive Element |
| ITRM | Inverse Thermoremanent Magnetization |
| PCAD | Power Conditioning And Distribution (in Spacecraft) |
| VSEP | Vibratory Shear Enhanced Process |
| BRC | Basic Regulatory Control |
| MERD | Metal-enhanced Reductive Dehalogenation |