| RNA | Ribonucleic acid |
| DNA | Deoxyribonucleic acid |
| 5C | Pentose |
| WLP | Warm little pond/Darwinian pond |
| ppb | Parts per billion |
| ppm | Parts per million |
| CAI | Calcium-aluminium-rich inclusions |
| yr | Year(s) |
| GC-MS | gas chromatography coupled with a mass spectrometer |
| CM2 | Mighei-type chondrites (CM), a group of meteorites, in this case of petrologic type 2 |
| CR2 | Renazzo-type chondrites (CR), a group of meteorites, in this case of petrologic type 2 |
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