| Acronym | Meaning |
| ROSINA | Rosetta Orbiter Spectrometer For Ion And Neutral Analysis |
| TPY | Total Photon Yield |
| RMAN | Recovered Materials Advisory Notice |
| DGE | Differential Gene Expression |
| FGR | Flue Gas Recirculation |
| ACCDPPA | Approx. Coupled Cluster With Double Excitations Polarization Propagator Approxn. |
| HAISP | High Altitude Interactive Science Platform |
| CCMET | Coupled-cluster Many-electron Theory |
| SEELFS | Surface Extended-energy-loss Fine-structure |
| ECB | European Chemicals Bureau |