| Acronym | Meaning |
| ILM | Immobilized Liquid Membrane |
| CCC | Calibration Check Compounds |
| CLS | Cathodoluminescence Spectroscopy |
| VEO | Valence Electron Only |
| SIS | Safety Injection System |
| SAP | Sampling And Analysis Program |
| ISTP | International Solar Terrestrial Physics |
| PFU | Plaque-forming Units |
| FIFRA | Federal Insecticide |
| LZC | Liquid Zone Control (in Alloy Processing) |