| Acronym | Meaning |
| SOP | Split-operator Propagator |
| MBESMO | Maximum Bond Energy Symmetry MO |
| FUGH | FREEON Unitary Group Formulation (of Hartree-Fock Theory) |
| ADO | Average Dipole Orientation |
| EPCIA | Evolving Principal Component Innovation Analysis |
| PSFT | Progressive Saturation Fourier Transform |
| CAM | Computer-aided Manufacturing |
| FLAIR | Fluid Attenuated Infrared Sequence |
| PMAD | Power Management And Distribution (system) (of Space Station) |
| UNESCO | United Nations Educational |