| Acronym | Meaning |
| ACC-IOS | Azimutal Close Coupled-infinite Order Sudden |
| MERLIN | Multi-element Radio-linked Interferometer Network |
| IPIB | Intense Pulsed Ion Beam |
| SEMI | Semiconductor Equipment And Materials Institute |
| RA | Remedial Action |
| LNDO | Local Neglect Of Differential Overlap |
| BRFI | Brewing Research Foundation International |
| QSR | Quality Status Report (of North Sea Task Force) |
| NSSN | National Standards Systems Network |
| EAM | Embedded Atom Method |