| Acronym | Meaning |
| CERPIES | Collision Energy Resolved Penning Ionization Electron Spectra |
| RPCR | Restricted Principal Component Regression |
| IMS | Incomplete Model Space (in Many-body Calcns.) |
| TFR | Thin Film Resonator |
| FRCA | Fire Retardant Chemicals Association |
| IISCI | Initial Ionic State Comfiguration Interaction |
| NAD | Nicotinamide Adenine Dinucleotide |
| OOS | Optical-oscillator Strength |
| ADP | Adenosine Diphosphate (RN 58-64-0) |
| CHW | Coherent Hole Wave (quantum Excitations In Solids) |