| Acronym | Meaning |
| FCSA | Frequency-corrected Sudden Approxn. (in Mol. Collision Calcns.) |
| AMS | Accelerator Mass Spectrometry Or Spectroscopy |
| BGC | Biogeochemical Cycling |
| MTX(ALPHA) | Muffin-tin X(alpha) Statistical Exchange |
| RFIC | Radio Frequency Integrated Circuit |
| LMW | Low Molecular Weight |
| APM | Atom Probe Microanalysis |
| CDA | Cylindrical Deflector Analyzer |
| GDR | Giant Dipole Resonance |
| CHARM | Coupled Hydrosphere-Atmosphere Research Model |