| Acronym | Meaning |
| ODF | Orientation Distribution Function |
| CPF | Carcinogenic Potency Factor |
| INDOR | Internal Nuclear Double Resonance |
| EMAG | Electron Microscopy And Analysis Group |
| CCFOM | Charche-charge Flux-overlap Modified (model In IR Spectra Calcn.) |
| APT | Analytic Perturbation Theory |
| GIXAS | Grazing Incidence X-ray Absorption Spectroscopy |
| RECA | Regional Energy Convergence Approxn. (in Total Energies Calcns.) |
| AGID | Agar Gel Immunodiffusion |
| OMO | Orthogonalized Magnetic Orbital |