| Acronym | Meaning |
| SI | Surface Ionization |
| AMTS | Advanced Moisture And Temperature Sounder |
| AM | Arithmetic Mean |
| PAM | Peptidylglycine Alpha-amidating Monooxygenase |
| VCC | Variable Curvature Coordinates (in Calcns. On Mol. Vibrations) |
| MR-CI-PS | Multireference-CI-perturbatively Selected |
| WSF | Water Soluble Fraction |
| CDA | Cosmic Dust Analyzer |
| QPM | Quantum Proximity Microscopy |
| RPC | Reversed-phase Chromatography |