| Acronym | Meaning |
| OSAC | Organic Structures Accessed By Computer |
| GAGE | Global Atmospheric Gases Experiment |
| MAST | Mega-Amp Spherical Tokamak |
| PHE | Potentially Harmful Element |
| TCC | Thermofor Catalytic Cracking |
| LSDA | Local Spin Density Approximation |
| EEDF | Electron Energy Distribution Function |
| GHO | Generalized Hybrid Orbital (ao) |
| COSCAT | Coherent Scatter System |
| RACM | Reasonably Available Control Measures |