| Acronym | Meaning |
| OHCE | One-and-a-half-centered Expansion (method For Calcns. On Charge Transfer In Ion-atom Scattering) |
| EPQU | IFCC Expert Panel On Quantities And Units |
| GIF | Graphic Image Format |
| GAD | Glutamic Acid Decarboxylase |
| CNDO/2-V | Complete Neglect Of Differential Overlap-potential Method |
| TNOA | Target Natural Orbital Approximation |
| EDTA | Ethylenediaminetetraacetic Acid |
| OFR | Oxygen Free Radical |
| SHAPM | Shear Horizontal Acoustic Plate Mode |
| SXPS | Soft X-ray Photoelectron Spectroscopy |