| Acronym | Meaning |
| WHMO | Wolfsberg-Helmholz Molecular Orbital |
| PWR | Pressurized Water Reactor |
| SBH | Schottky-barrier Height |
| ACIL | American Council Of Independent Laboratories |
| SCLCP | Side-chain Liquid-crystalline Polymer |
| LACO | Linearized Atomic Cell Orbital (in Energy-band Calcn.) |
| COSS | Correlation Shift Scaling |
| MRE | Mining Research Establishment |
| PTR | Proton Transfer Reaction |
| EIF | Electron Impact Fluorescence |