| Acronym | Meaning |
| CPD | Contact Potential Difference |
| SPDM | Single-particle Density Matrix |
| IISI | International Iron And Steel Institute |
| FROG | Frequency-resolved Optical Grating |
| MAGW | Momentum-averaged Gaussian-weighted (method In Calcns. Of Electron-momentum Distributions) |
| DRM | Depositional Remanent Magnetization |
| OIP | Optimized Inner Projection (method For Mol. Property Calcns.) |
| PAC | Photoacoustic Calorimetry |
| QCT-IEQMT | Quasiclassical Trajectory-internal Energy Quantum Mechanical Threshold |
| C4S | Chemical Shift-specific Slice Section |