| Acronym | Meaning |
| CPI | Carbon Preference Index |
| MM | Misch Metal |
| CSIA | Compd.-specific Isotope Anal. |
| SRCD | Synchrotron Radiation Circular Dichroism |
| BLP | Bragg Light Profile |
| CAMU | Corrective Action Management Unit |
| GEH | Generalized Effective Hamiltonian |
| ORP | Oxidation-reduction Potential |
| HPGE | High Purity Germanium |
| TRCF | Transcription-repair Coupling Factor |