| Acronym | Meaning |
| HMM | Heavy Meromyosin |
| CAFEGE | Classically Approximated Free-electron-gas Exchange |
| CCR | Complex Coordinate Rotation (method For Calcns. Of Resonances In Scattering) |
| ECB | European Chemicals Bureau |
| HSOS-CCSD | High-spin Open-shell-CCSD |
| CHESS | Cornell High-Energy Synchrotron Source |
| EBK | Einstein-Brillouin-Keller (quantization Method) |
| EAF | Electric Arc Furnace |
| WICEM | World Industry Conference On Environmental Management |
| AAIW | Antarctic Intermediate Water |