Thermal diffusivity

{
  "id": "MLC-T-MET-009579",
  "term": "Thermal diffusivity",
  "field": "Meteorology and atmospheric science",
  "definition": "A measure of how quickly temperature changes propagate through a material, defined as the ratio of thermal conductivity to the product of density and specific heat capacity. It indicates the rate at which a material can absorb and release heat. In the atmosphere and soil, thermal diffusivity affects the penetration depth of diurnal and seasonal temperature variations.",
  "synonyms": [
    "heat conductivity",
    "thermometric conductivity"
  ],
  "see_also": [
    "diffusivity",
    "kinematic viscosity"
  ],
  "url": "https://mlchart.com/terminology/meteorology/thermal-diffusivity/"
}