| Acronym | Meaning |
| ISPGAA | In Situ Prompt Gamma-ray Activation Analysis |
| ECLIPS | Encoded Combinatorial Libraries On A Polymeric Surface |
| FCS | Fluorescence Correlation Spectroscopy |
| RFI | RCRA Facility Investigation |
| PNO-CEPA | Pseudonatural Orbital-coupled Electron Pair Approximation |
| IMOM | Iterative Method Of Maximum Overlap |
| CDW | Charge-density Wave |
| PMAD | Power Management And Distribution (system) (of Space Station) |
| GCW | Groundwater Circulation Well |
| ICOS | Inducible Co-stimulator |