| Acronym | Meaning |
| ANA | Adiabatic Nuclei Approximation (in Electron-mol. Scattering) |
| MDO | Max. Degree Of Order |
| SCP | Single-cell Protein |
| CODF | Crystallite Orientation Distribution Function |
| IFPC | Integrated Flight And Propulsion Control |
| O/E | Observed Number/expected Number Ratio = Relative Risk |
| ANNNI | Axial Next-nearest-neighbor Ising (model Of Superstructure) |
| MIRO | Mineral Industry Research Organization (UK) |
| CNLS | Complex Nonlinear Least Squares (data Fitting Method) |
| STMCTDHF | Spin-tensor Multiconfigurational Time-dependent Hartree-Fock |