| Acronym | Meaning |
| YLF | Yttrium Lithium Fluoride |
| BTGA | Best Technology Generally Available |
| HADD | Highest Average Daily Dose |
| TDA-2PH | Two-particle One Hole Tamm-Dancoff Approximation |
| HPET | High Performance Engineering Thermoplastic |
| GIAO | Gage-independent Atomic Orbital |
| PAC | Photoacoustic Calorimetry |
| LTMLS | Low Temperature Molecular Luminescence Spectroscopy |
| PLS | Partial Least Squares |
| MOCETGAO | Molecule-optimized Contracted Even-tempered Gaussian Atomic Orbital |