| Acronym | Meaning |
| MCTDH | Multiconfigurational Time-dependent Hartree (theory) |
| ASPG | Antisymmetrized Product Of Separated Geminals Approxn. |
| COSMIC | Computer Oriented Structure Models From Inadequate Derived Coupling Data |
| CRLAS | Cavity Ringdown Laser Absorption Spectroscopy |
| DSN | Deep Space Network |
| DWES | Distorted-wave Energy Sudden (for Inelastic Mol. Collisions) |
| GDR | Geophysical Data Record |
| RPSA | Rapid Pressure Swing Adsorption |
| ANSI | American National Standards Institute |
| EARTOF | Energy And Angle Refocusing Time-of-flight Mass Spectrometry |