| Acronym | Meaning |
| CHIRP | Core-hole Initiated Relaxation Process (in Ionic Crystals) |
| CPF | Coupled-pair Functional (CI Method With Energy Functional) |
| PARC | Polycyclic Aromatic Ring Cleavage |
| ZPP | Zn Protoporphyrin (lead Poisoning Indicator) |
| FPLMTO | Full-potential Linearized Muffin-tin Orbital |
| HOE | Holographic Optical Element |
| LPIN | Lipoprotein Ice Nucleator |
| ARUPS | Angle-resolved Ultraviolet Photoelectron Spectroscopy |
| CFHH | Correlation-function Hyperspherical Harmonic (method For Calcn. Of Wave Functions) |
| ESA | Electrostatic Sector Analysis |