| Acronym | Meaning |
| FOJT | First-order Jahn-Teller |
| ACL | Alternative Concentration Limit |
| AIN | Advanced Intelligent Networks |
| AME | Apparent Mineralocorticoid Excess |
| CEC | Commission Of The European Communities |
| ORI | Octane Requirement Increase |
| PD | Photoelectron Diffraction |
| LST | Light Scattering Tomography |
| FIMS | Field Ionization Mass Spectrometry |
| SOPHF | Spin And Orbital Polarized Hartree-Fock |