| Acronym | Meaning |
| LDTOF | Laser-Desorption Time-Of-Flight Mass Spectrometry |
| HESSI | High Energy Solar Spectroscopic Imager |
| ATLAS | Airborne Tunable Laser Absorption Spectrometer |
| TESSA | Total Exhaust Solvent Scrubbing Apparatus |
| DAFS | Diffraction Anomalous Fine Structure |
| GR | Glutathione Reductasepar |
| SAMPE | Society For The Advancement Of Material And Process Engineering |
| NHRL | Northern Hemisphere Reference Line |
| MACSP | Marine Analytical Chemistry Standards Program |
| NORA | National Occupational Research Agenda |