| Acronym | Meaning |
| CDP | Contracted Density Product (in Simplification Of MO Calcns.) |
| C.I. | Color Index |
| PCR | Polymerase Chain Reaction |
| LOEL | Lowest-Observed-Effect Level |
| TDLAS | Tunable Diode Laser Absorption Spectroscopy |
| VUV | Vacuum Ultraviolet |
| CAN | Cellulose Acetate Nitrate |
| EMS | Electron Momentum Spectroscopy |
| FRSW | Finite Range Scattering Wave Function |
| PMSR | Pairwise-mixing Stirred Reactor |