| Acronym | Meaning |
| CHARM | Complex Hazardous Air Release Model |
| EFD | Explicit Finite Difference |
| SCFB | Standard Cubic Feet Per Barrel |
| LMW | Low Molecular Weight |
| EMAT | Electromagnetic-acoustic Transducers |
| CAST | CERN Axion Solar Telescope |
| RITP | Recycling Isotachophoresis |
| LAOM | Localized At. Orbital Method (in Electronic Structure Calcn.) |
| RITE | Research Institute Of Innovative Technology For The Earth (Japan) |
| PTR | Proton Transfer Reaction |