| Acronym | Meaning |
| CGTO | Combination Of Gaussian Type Orbitals |
| OCOS | Orbital Charge-ordering State |
| NAPL | Nonaqueous Phase Liquid |
| UARS | Upper Atmosphere Research Satellite |
| EBT | Eccentric Bottom Tapping |
| AOVB | Atomic Orbital Valence Bond (molecular Wave Function) |
| ESIE | Electron Stimulated Ion Emission |
| CHIP | Cold And Hot Isostatic Pressing |
| HMPGI | Hybrid Multiple-prism Grazing-incidence |
| RSA | Rat Serum Albumin |