| Acronym | Meaning |
| ESA | Electrokinetic Sonic Amplitude |
| GCR | Galactic Cosmic Rays (spacecraft Orbit) |
| ASU | Air Separation Unit |
| MOSHO | Maximum Overlap Symmetry Hybrid Orbital |
| ASEHF | Approximate Spin-extended Hartree-Fock |
| TRAF | Tumor Necrosis Factor Receptor-associated Factor |
| PIR | Protein Identification Resource |
| PVFM | Poly(vinyl Formal) |
| UCS | Unconfined Compressive Strength |
| ZBL | Ziegler, Biersack And Littmark |