| Acronym | Meaning |
| FEM | Field Emission Microscopy |
| RCNDO | Rydberg CNDO |
| OR | Odds Ratio |
| DDP | Didecyl Phthalate |
| CFGFRP | Carbon Fiber And Glass Fiber Reinforced Plastics |
| NOEL | No Observable Effect Level (in Animal Tests) |
| DPR | California Department Of Pesticide Regulation |
| ANC | Acid Neutralizing Capacity |
| AEERL | Air And Energy Engineering Research Laboratory (US EPA) |
| LET | Linear Energy Transfer (in Spacecraft Power Systems) |