| Acronym | Meaning |
| WEEL | Workplace Environmental Exposure Limits |
| SAFM | Scanning Attractive Force Microscopy |
| VBHL | Valence Bond Heitler-London (wave Function) |
| LAOS | Light Amplifying Optical Switch |
| LOICZ | Land-Ocean Interactions In The Coastal Zone |
| PGO | Phantom Group Orbital |
| FIRST | Faint Images Of The Radio Sky At Twenty Centimeters |
| CBO | Crude Born-Oppenheimer (wave Functions) |
| THM | Transcorrelated Hamiltonian Method |
| MHW MO | Mulliken-Helmholz-Wolfsberg Molecular Orbital |