| Acronym | Meaning |
| BBN | Big Bang Nucleosynthesis |
| HIWIP | Homojunction Interfacial Work-function Internal Photoemission |
| AICUZ | Air Installation Compatible Use Zones |
| HAM | Hydrogenic Atoms In Molecules |
| NASO | Nasmyth Adaptive Optics System |
| EFCE | European Federation Of Chemical Engineers |
| CLEA | Collection Of Laws For Electronic Access |
| LCGTO-DF | Linear Combination Of Gaussian Type Orbitals-density Functional |
| RE | Relativistic Eikonal |
| ADGIXA | Angular-dependent Glancing-incidence X-ray Analysis |