| Acronym | Meaning |
| AWQC | Ambient Water Quality Criteria |
| DAW | Dry Active Waste |
| DF-SCF | Dirac-Fock Self-consistent Field |
| HFPD | Hartree-Fock With Proper Dissociation (wave Function) |
| WMAP | Wilkinson Microwave Anisotropy Probe |
| LMO | Localized Molecular Spin Orbital |
| SESAM | Semiconductor Saturable Absorber Mirror |
| BFBR | Biological Fluidized Bed Reactor |
| EAZO | Energetically Active Zones Of The Ocean |
| CVA-MO | Core-valence Approxn.-MO (for At. Integral Calcns.) |