| Acronym | Meaning |
| NVDOC | Non-volatile Dissolved Organic Carbon |
| SPEG | Solid Phase Epitaxial Growth |
| NIEL | Non-ionizing Energy Loss |
| RFCCU | Residue Fluid Catalytic Cracking Unit |
| SAGA | Soviet American Gas And Aerosol Experiment |
| PEPICO | Photoelectron-photoion Coincidence Spectroscopy |
| PHF | Periodic Hartree-Fock |
| FQHE | Fractional Quantum Hall Effect |
| MTOC | Microtubule-organizing Center |
| RMP4 | Restricted Moeller-Plesset Fourth-order (perturbation Theory) |