| Acronym | Meaning |
| SRCI | Single-reference Configuration Interaction |
| NCASI | National Council For Air And Stream Improvement |
| PRA | Probabilistic Risk Assessment |
| CCD | Coupled-cluster Doubles |
| DPP | Dual Purpose Plant |
| CLCR | Creatinine Clearance |
| AIRS | Atmospheric Information Retrieval System |
| SNAP | Significant New Alternative Policy |
| RLCA | Reaction-limited Cluster Aggregation |
| LPLC | Low Pressure Liquid Chromatography |