| Acronym | Meaning |
| IOW | Integrated Optical Waveguide |
| THEES | Total Human Environmental Exposure Study |
| GSMT | Giant Segmented Mirror Telescope |
| SAES | Scanning Auger Electron Spectroscopy |
| EFPI | Extrinsic Fabry-Perot Interferometer Sensor |
| PGDN | Propylene Glycol Dinitrate |
| SOUR | Specific Oxygen Uptake Rate |
| PGM | Platinum-group Mineral(s) |
| MBMS | Molecular Beam Mass Spectrometry |
| PDR | Photon-dominated Region |