| Acronym | Meaning |
| END | Electron Nuclear Dynamics (method In Atomic And Molecular Scattering Calcns.) |
| EPC | Epoxy Polymer Concrete |
| NQR | Nuclear Quadrupole Resonance |
| OMEX | Ocean Margin Exchange |
| LAER | Lowest Achievable Emission Rate |
| FAS | Fatty Alcohol Sulfates (surfactants) |
| DNA | Deoxyribonucleic Acid |
| SCF2 | Two-electron Self-consistent Field |
| DIERS | Design Institute For Emergency Relief Systems (AIChE) |
| RSCPA | Reduced (second Order) Self-consistent Phonon Approxn. (a Green-function Calcn. Method) |