| Acronym | Meaning |
| FO-ECP | Frozen Orbital-effective Core Potential |
| GALT | Gut-associated Lymphoid Tissue |
| GNLSE | Generalized Nonlinear Schroedinger Equation |
| DGNAA | Delayed Gamma-ray Neutron Activation Analysis |
| IF DRM | Inversion-free Direct Recursion Method (for Surface Electronic Structure) |
| CLOT | Carbon Layer Open Tubular (column) |
| MCCHF | Multiconfiguration Coupled Hartree-Fock |
| LEDO | Limited Expansion Of Diatomic Overlap |
| FBEM | Fixed Beam Electron Microscopy |
| DEP | Department Of Environmental Protection |