| Acronym | Meaning |
| PCA | Preliminary Consequence Analysis |
| CDS/ISIS | CDS/Integrated Set Of Information System |
| HLB | Hydrophilic-lipophilic Balance (of Surfactants) |
| AFM | Abrasive Flow Machining |
| ARPA | Augmented Random Phase Approximation |
| SOPHF | Spin And Orbital Polarized Hartree-Fock |
| DME | Dielectric Midgap Energy (model) |
| SRXPS | Spin-resolved X-ray Photoelectron Spectroscopy |
| MHC | Major Histocompatibility Complex |
| SSA | Spherical Sector Analysis |