| Acronym | Meaning |
| SMA | Specific Methanogenic Activity |
| FRAT | Free Radical Assay Technique |
| CTIOSA | Charge-transfer Infinite Order Sudden Approxn. |
| EDXD | Energy Dispersive X-ray Diffraction |
| CCS | Corrected Coupled-states (method For Mol.-scattering Calcns.) |
| ELISA | Enzyme Linked Immunosorbent Assay |
| ELED | Edge-emitting Light Emitting Diode |
| FILDA | Fluorescence Intensity And Lifetime Distribution Analysis |
| LIM | Last Interglacial Maximum (era Of Warm Nonglacial Climate Between PGP And LGM) |
| NSSDC | National Space Science Data Center |