| Acronym | Meaning |
| NLLSCF | Nonlinear Least Squares Curve Fitting |
| LRCI | Low-rank Configuration Interaction |
| BWO | Backward Wave Oscillator |
| ADP | Adenosine Diphosphate (RN 58-64-0) |
| AIP | Acute Intermittent Porphyria |
| AFC | Assimilation (with) Fractional Crystallization (geochemistry) |
| NSCLC | Non-small Cell Lung Cancer |
| COSAC | Cometary Sampling And Composition |
| GRHF | Generalized Restricted Hartree-Fock |
| EASC | Extended Anaerobic Sludge Contact |