| Acronym | Meaning |
| NOET | NASA Operational Environment Team |
| EBFRIP | European Brominated Flame Retardant Industry Panel |
| CCMET | Coupled-cluster Many-electron Theory |
| ADS | Accelerator Driven System |
| MES | Molecular Emission Spectroscopy |
| PLD | Programmable Logic Device |
| SRO | Short Range Order |
| AQDM | Air Quality Display Model |
| OSBG | Optimized Support For Biological Growth |
| PBL | Planet Boundary Layer (in Atmospheric Chemistry And Physics) |