| Acronym | Meaning |
| DRF | Dose Reduction Factor |
| IAM | Internal Axis Method (in Calcns. Of Rotational Excitation In Atom-mol. Collisions) |
| ECP-CPP | Effective Core Potential (augmented By)-core Polarization Potential |
| SDRS | Surface Differential Reflectance Spectroscopy |
| TWSM | Two-way Shape Memory |
| DGE | Differential Gene Expression |
| EU | Exposure Unit |
| CPFD | Coupled-pair Functional With Double Excitation |
| ECM | Embedded Cluster Method (in Electronic-structure Calcns.) |
| SBCOD | Slowly Biodegradable Chemical Oxygen Demand |