| Acronym | Meaning |
 | AEROCE | Atmosphere-Ocean Chemistry Experiment |
| PAHO | Pan American Health Organization |
| EM | Enriched Mantle |
| ORU | In Orbit Replaceable Unit (spacecraft) |
| LAH | Lithium Aluminum Hydride |
| CE/ESIMS | Capillary Electrophoresis/electrospray Ionization Mass Spectrometry |
| HANS | Heavy Aromatic Naphtha Solvent |
| INSIPID | Inadequate Sensitivity Improvement By Proton Indirect Detection |
| SME | Solar Mesosphere Explorer |
| QDM | Quantum Defect Method |
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