| Acronym | Meaning |
| L2 | Square Integrable (wave Function) (in Electron-atom Or -mol. Collisions) |
| PSCF | Potential Source Contribution Function |
| SIRNA | Small Interfering RNA |
| LAMOFS-ETE | Laser Excited Molecular Fluorescence Spectroscopy With Electrothermal Evaporation |
| ISRA | Image-space Reconstruction Algorithm |
| QCCA | Quasiclassical Close-coupling Approximation |
| CPPI | Cross-polarization-polarization-inversion [NMR] |
| SADP | Selected Area Diffraction Patterns |
| DDP | Didecyl Phthalate |
| WILDCAT | Warning And Identification Lidar Detector For Countering Agent Threats |