Optical thickness

{
  "id": "MLC-T-MET-007716",
  "term": "Optical thickness",
  "field": "Meteorology and atmospheric science",
  "definition": "A dimensionless quantity that describes the extent to which a medium attenuates electromagnetic radiation due to absorption and scattering. It is the integral of the extinction coefficient along the path of radiation. A higher optical thickness indicates greater attenuation, such as that observed in dense clouds or aerosol layers.",
  "see_also": [
    "optical pathlength"
  ],
  "url": "https://mlchart.com/terminology/meteorology/optical-thickness/"
}