| Acronym | Meaning |
| XEAES | X-ray Excited Auger Electron Spectroscopy |
| PTS | Phosphotransferase System |
| DTPA | Diethylenetriamine Pentaacetic Acid |
| IRS | Internal Recognition Subsequence |
| IPDI | Isophorone Diisocyanate |
| EDGAR | Electronic Data Gathering |
| FMN | Flavin Mononucleotide |
| ASTER | Acceptable Short-term Exposure Range |
| FMASH | FeO-MgO-Al2O3-SiO2-H2O System |
| CET | Collisional Energy Transfer |