| Acronym | Meaning |
| EAPFS | Extended Appearance-potential Fine-structure Spectroscopy |
| CIRES | Cooperative Institute For Research In Environmental Sciences |
| ISPM | In-situ Particle Monitor |
| MFI | Melt Flow Index [of Polymer] |
| CESE | Complex Eigenvalue Shroedinger Equation |
| CCA | Close-coupling Approximation |
| MPC | Model Predictive Control |
| NFE-TB | Nearly-free-electron Tight-bonding (for Electronic Structure) |
| RIS | Resonance Ionization Spectrometry |
| ALS | Advanced Light Source |