| Acronym | Meaning |
| GEMS | Global Environmental Monitoring Systems |
| ICAC | Institute Of Clean Air Companies |
| RISA | RDNA Internal Spacer Analysis |
| FAO | Food And Agriculture Organization |
| MIRACL | Mid Infrared Advanced Chemical Laser |
| SGCR | Subcommittee Global Change Research |
| DDSC | Dynamic Differential Scanning Calorimetry |
| TBP | TATA-box Binding Protein |
| ROA | Relaxed Orbital Approximation |
| GDWB | Generalized Distorted-wave Born (approxn. Or Theory) |