| Acronym | Meaning |
| CTEB | Carcinogenesis And Toxicologic Evaluation Branch |
| ARCS | Alternative Remedial Contracting Strategy (US EPA) |
| MIESR | Matrix Isolation Electron Spin Resonance |
| CMF | Clay Minerals File (of Digitized X-ray Diffraction Traces) |
| MLCK | Myosin Light Chain Kinase |
| MAES | Metastable Atom Electron Spectroscopy |
| CDT | Critical Dissolution Time (synthetic Fiber And Polymer Property) |
| NPM | Nonpolar Material |
| SMM | Solar Maximum Mission |
| ESIPT | Excited-state Intramolecular Proton Transfer |