| Acronym | Meaning |
| IMSS | International Mass Spectrometry Society |
| COSMIC | Computer Oriented Structure Models From Inadequate Derived Coupling Data |
| CAMD | Computer Aided Material Design |
| ROSINA | Rosetta Orbiter Spectrometer For Ion And Neutral Analysis |
| TPSSIMS | Temperature Programmed Static Secondary Ion Mass Spectrometry |
| PIHMC | Path Integral Hybrid Monte Carlo |
| IAMAS | International Association Of Meteorological And Atmospheric Sciences |
| OCAMS | Orbital Correspondence Analysis In Maximum Symmetry |
| CSA | Coupled Static Approxn. (in Scattering Calcns.) |
| IRI | International Reference Ionosphere |