| Acronym | Meaning |
| T-GAS | Trace Gas Accounting System |
| MGS/TES | Mars Global Surveyor Thermal Emission Spectrometer |
| MINDO | Modified Intermediate Neglect Of Differential Overlap |
| SHM | Screened Hydrogenic Model (for Electronic Structure In Plasmas) |
| LOCV | Lowest-order Constrained Variation |
| IETS | Inelastic Electron Tunneling Spectroscopy |
| LWIR | Long Wavelength IR |
| URT | Upper Respiratory Tract |
| ADMET | Adsorption |
| AACA | Ambient Atmosphere Conditions And Aging |