| Acronym | Meaning |
| MPN | Most Probable Number |
| CHO | Complex Harmonic Oscillator (in Mol. Scattering Theory) |
| EPS | Extracellular Polymeric Substances |
| IKES | Ion-kinetic-energy Spectroscopy |
| ICTS | Isothermal Capacitance Transient Spectroscopy |
| MOPA | Master Oscillator Power Amplifier |
| OVOC | Other Volatile Organic Compound |
| LBW | Laser-beam Welding |
| FFF | Field-flow Fractionation |
| IFM | Immunofluorescence Microscopy |