| Acronym | Meaning |
| FSGO | Floating Spherical Gaussian Orbital |
| AAAS | American Academy Of Arts And Sciences |
| VPC | Vapor-phase Chromatography |
| AEC | Atomic Energy Commission |
| LDA | Local-density Approximation |
| CNG | Compressed Natural Gas |
| STIM | Scanning Transmission Ion Microscopy |
| PAHO | Pan American Health Organization |
| SCLC | Small Cell Lung Cancer |
| DPE | Dual-phase Extraction |