| Acronym | Meaning |
| PDU | Process Development Unit |
| A/PI | Ab Initio Perturbed Ion (quantum Clacn. Method) |
| EAM | Energy Absorbing Molecules |
| RKRVL | Rydberg-Klein-Rees-Vanderslice-Lakshman (for Potential Energy) |
| CC-CI | Cluster Corrected-configuration Interaction |
| ACC | American Chemistry Council |
| EMMA | End-member Mixing Analysis |
| MFA | Molecular-field Approximation |
| PEHX | Cross-linked |
| EGAMS | Evolved Gas Analysis Mass Spectroscopy |