Translational diffusion coefficient

{
  "id": "MLC-T-CHM-012248",
  "term": "Translational diffusion coefficient",
  "field": "Chemistry",
  "definition": "A quantitative measure of the rate at which molecules or particles undergo translational diffusion in a given medium. It describes the proportionality between the flux of particles and the concentration gradient. This coefficient is typically expressed in units of square meters per second (m²/s) and is dependent on the size and shape of the diffusing species, as well as the viscosity and temperature of the medium.",
  "synonyms": [
    "diffusion coefficient (in polymer science)"
  ],
  "subject": "Polymer",
  "references": [
    "PAC, 2015, 87, 71. 'Definitions of terms relating to individual macromolecules, macromolecular assemblies, polymer solutions, and amorphous bulk polymers (IUPAC Recommendations 2014)' on page 98 (https://doi.org/10.1515/pac-2013-0201)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/translational-diffusion-coefficient/"
}