| Acronym | Meaning |
| DQ-MBPT | Double And Quadruple Excitation Diagrams In Many-body Perturbation Theory |
| EDGAR | Emissions Database For Global Atm. Research |
| ERCC | Excision Repair Cross-complementing |
| EFVAO | Electric-field Variant Atomic Orbital |
| GWPS | Groundwater Protection Strategy |
| GNLSE | Generalized Nonlinear Schroedinger Equation |
| DSW | Dirac Scattered-wave (often As SCF-X(alpha)-DSW Method) |
| CVS | Constant Volume Sampler |
| LCAT | Lecithin-cholesterol Acyltransferase |
| IPAD | Integrated Pulsed Amperometric Detection |