| Acronym | Meaning |
| HCA | Hazardous Communication Act |
| ACJ | Artificially Constructed Junction (in Solar Cell Fabrication) |
| OEO | Overlap-enhanced Orbital |
| FE | Fugitive Emissions |
| SERA | Sequential Electrochemical Reduction Analysis |
| LQG | Loop Quantum Gravity |
| FFTF | Fast Flux Test Facility |
| MTF | Multiple Tube Fermentation |
| SCF2 | Two-electron Self-consistent Field |
| QAR | Quality Assurance Reagent |