| Acronym | Meaning |
| CS | Configuration Space (in Wave Functions) |
| EQTC | Environmental Quality Target Concentration |
| EIM | Eddy Interaction Model |
| AFD | Automated Forging Design |
| IRMA | Immunoradiometric Assay |
| PSSCF | Pseudo SCF |
| OSAILS | Optical Sensor Array And Integrated Light Source |
| CSWP | Centrifugal Sudden [or Coupled States] Wave Packet Method |
| TZ | Triple Zeta (basis Set) |
| IIRSM | International Institute Of Risk And Safety Management |