| Acronym | Meaning |
| HMAC | Hazardous Materials Advisory Council |
| SCEPM | Self-consistent Empirical Pseudopotential Method |
| BCS-CRM | British Chemical Standard-Certified Reference Material |
| TBNEM | Tight-binding Nearly Free Electron Model |
| E2PROM | Electrically Erasable Programmable Read Only Memory |
| CSDW | Centrifugal Sudden (or Coupled States) Distorted Wave (methodfor Reactive Mol. Collisions) |
| PAC | Polycyclic Aromatic Compound |
| PVDC | Poly(vinylidene Dichloride) |
| RTE | Reversible Temper Embrittlement |
| PTR | Proton Transfer Reaction |