| Acronym | Meaning |
| PK | Protein Kinase |
| FLNS | Fluorescence Line-narrowing Spectroscopy |
| FTD | Flame Thermionic Detector (gas Chromatography) |
| PIES | Penning Ionization Electron Spectroscopy |
| CPR | Cardiopulmonary Resuscitation |
| SCM | Self-consistent Multipolar (method In Metal Cluster Calcns.) |
| STFT | Short Time Fourier Transform |
| COPNA | Condensed Polynuclear Aromatics |
| MDS | Metastable Deexcitation Spectroscopy |
| STLS | Singwi-Tosi-Land-Sjolander (generalized Random-phase Approxn. For Effective Pair Potentials Of Liq. Metals) |