| Acronym | Meaning |
| SCCSA | Self-consistent Central-site Approxn. (for D.-of-states) |
| SPEAR | Stanford Positron Electron Accelerating Ring |
| SOHIC | Stress-oriented Hydrogen-induced Cracking |
| APCD | Air Pollution Control District |
| BGG | Bovine Gamma Globulin |
| INCRA | International Cooper Research Association |
| CELS | Characteristic Energy Loss Spectroscopy |
| FCD | Fault Consequence Digraph |
| MDGC | Multidimensional Gas Chromatography |
| CAMP | Continuous Air Monitoring Program |