| Acronym | Meaning |
| AAPDI | Anisotropic Atom Point Dipole |
| SOCI | Spin-orbit Configuration Interaction |
| UW-PG | Uniformly Weighted Planar Grid (method In Calcns. Of Electron-momentum Distributions) |
| ICE | Interleukin 1beta-converting Enzyme |
| NEA | Negative Electron Affinity |
| ICPAC | International Committee On Polycyclic Aromatic Compounds |
| BMDL | Below Method Detection Level |
| TEY | Total Electron Yield |
| MAG | Myelin-associated Glycoprotein |
| BSS | Backscattering Spectroscopy |