| Acronym | Meaning |
| TDM | Truncated Diagonalization Method |
| FACT | Facility For The Analysis Of Chemical Thermodynamics |
| LAESA | Laser Ablation Emission Spectrochemical Analysis |
| PACVD | Plasma-assisted Chemical Vapor Deposition |
| HGSI | The Human Genome Sequencing Index |
| AUSM | Advanced Utility Simulation Model |
| TDC | Top Dead Center |
| TCGF | T Cell Growth Factor |
| HMM | Half Molecule Model (for Electron Scattering By Molecules) |
| GHRH | Growth Hormone-releasing Hormone |