| Acronym | Meaning |
| TDRH | Time-dependent Rotated Hartree (theory) |
| IMA | International Mineralogical Association |
| LCDAO | Linear Combination Of Distorted Atomic Orbitals |
| NGCC | Natural Gas Combined Cycle |
| OAQPS | Office Of Air Quality Planning And Standards |
| TST | Transition State Theory |
| MPCA | Multiway Principal Component Analysis |
| MGS/TES | Mars Global Surveyor Thermal Emission Spectrometer |
| FKBP | FK506 Binding Protein |
| TC-LIGS | Two-color Laser-induced Grating Spectroscopy |