| Acronym | Meaning |
| SOMBT | Spin-orbital Many-body Theory |
| DIMOX | Direct Metal Oxidn. |
| TBBM | Tight-binding Bond Model |
| CETA | Carbon Emission Trajectory Assessment Model |
| BALR | Broad Absorption Line Region |
| IMEP | International Measurement Evaluation Program |
| BERG | Building Effects Review Group |
| ZSM | Zeolite Socony Mobil |
| RTE | Reversible Temper Embrittlement |
| NPOX | Nonpurgeable Organic Halide |