| Acronym | Meaning |
| CEIP | Coastal Energy Impact Program |
| FCCSET | Federal Coordinating Council On Science |
| TCR | Total Chlorine Residual |
| CASSS | California Separation Science Society |
| PODS | Periodic Orbit Dividing Surfaces (in Potential Surface Calcn.) |
| RSW | Resistance Spot Welding |
| CIMI | Configuration Interaction From Molecular Integrals |
| HMM | Hidden Markov Model |
| NPCR | Nonlinear Principal Components Regression |
| ANA | Adiabatic Nuclei Approximation (in Electron-mol. Scattering) |