| Acronym | Meaning |
| PIXIE | Polar Ionospheric X-ray Imaging Experiment |
| OIG | Office Of Inspector General |
| NSIDC | National Snow And Ice Data Center (University Of Colorado) |
| CEMAS | Complete Element Matrix Analysis From Scattering |
| MEM | Maximum Entropy Method |
| SLC | SLAC Linear Collider |
| AFPB | Asymmetric Four-point Bend Test |
| SPMD | Semipermeable Membrane Device |
| CTPV | Coal Tar Pitch Volatiles |
| HAD | Hollow Anode Discharge |