| Acronym | Meaning |
| QCPE | Quantum Chemistry Program Exchange |
| HMC | Hybrid Monte Carlo |
| SPALEED | Spot Profile Analysis Low Energy Electron Diffraction |
| SESF | Superlattice Extrinsic Stacking Fault |
| MSMO | Multiple Scattering Molecular Orbital Method (also Known As X(alpha) Scattered-wave) |
| IOS-BS | Infinite Order Sudden-breathing Sphere |
| NITM | Normalized Irreducible Tensorial Matrix |
| NBD | Nucleotide Binding Domain |
| BDA | Biotinylated Dextran Amine |
| SIC | Standard Industrial Classification |