| Acronym | Meaning |
| OPSE | Optically Pumped Stimulated Emission |
| ARRP | Ammonia Removal And Recovery Process |
| ZAP | Zone Axis Pattern |
| RP/M | Reinforced Plastics/mortar |
| ARDS | Airborne Research Data System |
| TIROS | Television And IR Observation Satellite |
| GWF | Generalized Wannier Function |
| ZPC | Zero-point (energy) Corrections |
| ISAS | Japanese Institute Of Space And Astronomical Science |
| SVL | Single Vibrational Level |