Relative permittivity

{
  "id": "MLC-T-MET-008509",
  "term": "Relative permittivity",
  "field": "Meteorology and atmospheric science",
  "definition": "A dimensionless quantity that describes the ability of a material to store electrical energy in an electric field, relative to a vacuum. Also known as the dielectric constant, it influences the propagation of electromagnetic waves through a medium. In atmospheric science, the relative permittivity of air, which varies with temperature, pressure, and humidity, affects radar signal propagation.",
  "synonyms": [
    "dielectric function",
    "dielectric constant",
    "specific inductive capacity"
  ],
  "url": "https://mlchart.com/terminology/meteorology/relative-permittivity/"
}