| Acronym | Meaning |
| ECOP | Electron Correlation Polarization (potential) |
| NACEPT | National Advisory Council For Environmental Policy And Technology |
| ATTIC | Alternative Treatment Technology Information Center (US EPA) |
| ECC | Electrokinetic Capillary Chromatography |
| SIC | Std. Industrial Code |
| PSCI | Partitioned (orbital Hessian) Super-configuration Interaction |
| VFOT | Variant Fock Operator Technique |
| TCSCF | Two-configuration Self-consistent Field Procedure |
| ONWI | Office Of Nuclear Waste Isolation |
| GCSEL | Grating-coupled Surface-emitting Laser |