| Acronym | Meaning |
| ISE | Iterative Secular Equation (method For Solving The Schroedinger Equation) |
| TPEPICO | Threshold Photoelectron-photoion Coincidence |
| EFA | Essential Fatty Acid |
| PQFP | Plastic Quad Flat Package |
| SD-MBPT | Single (and) Double (substituted States) Many-body Perturbation Theory |
| GTF | Gaussian-type (wave) Function |
| RODS | Records Of Decision System |
| ICDD | International Center For Diffraction Data |
| BNA | Bureau Of National Affairs |
| LSS | Life-Span Study |