An analytical technique for measuring particle size of molecules that are less than a micron in diameter dispersed or dissolved in a liquid.

Synonyms: Quasi-Elastic Light Scatterings (QELS) Quasi Elastic Light Scattering (QELS) Scattering, Quasi-Elastic Light (QELS) Scatterings, Quasi-Elastic Light (QELS) Quasi-Elastic Light Scattering (QELS) Light Scattering, Quasi-Elastic (QELS) Light Scattering, Dynamic Dynamic Light Scattering Scattering, Dynamic Light