| Acronym | Meaning |
| PLO | Partially Localized Orbital |
| CCST | Complex Coordinate Scattering Theory |
| QPM | Quantum Poincare Map |
| EGP | Evolved Gas Profile |
| IMS | Incomplete Model Space (in Many-body Calcns.) |
| CDWA | Continuum Distorted-wave Approxn. (for Scattering Calcns.) |
| GCE | Ground-based Cloud Experiment |
| EAF | Electric Arc Furnace |
| BCS | Bardeen-Cooper-Schrieffer |
| DUV | Deep Ultraviolet |