| Acronym | Meaning |
| PSIM | Phase Shifting Interferential Microscopy |
| PPM | Pair Population Method |
| HIFU | High-intensity Focused Ultrasound |
| ECP | Exchange Coupled Pair |
| CAL | Computer Aided Learning |
| FCA | Fuzzy Cluster Analysis |
| PRIME | Purdue Rare Isotope Measurement Laboratory |
| SIDLTS | Scanning Ion Deep Level Transient Spectroscopy |
| DPF | Diesel Particulate Filter |
| HERL/MIS | Health Effects Research Laboratory Management Information System |