| Acronym | Meaning |
| CFSS | Constant-final-state Spectroscopy |
| CCS | Classical Centrifugal Sudden (in Calcns. On Reactions) |
| USANS | Ultra-small-angle Neutron Scattering |
| APRIL | A Proliferation-inducing Ligand |
| NVR | Non-volatile Residue |
| WDF | Wigner Distribution Function (in Study Of Quantum Dynamics) |
| DAIP | Diallyl Isophthalate |
| TDPT | Time-dependent Perturbation Theory |
| BIAS | Bismuth-active Substance (in Surfactant Concn. Detn. In Environmental Tests) |
| FIA | Fluorescence Immunoassay |