Radon

{
  "id": "MLC-T-MET-008355",
  "term": "Radon",
  "field": "Meteorology and atmospheric science",
  "definition": "A naturally occurring, colorless, odorless, and radioactive noble gas that is a product of the radioactive decay of uranium in soil and rocks. It can seep into buildings from the ground, posing a health risk due to its alpha particle emissions. In the atmosphere, radon-222 is used as a tracer for air mass movements and boundary layer height studies.",
  "url": "https://mlchart.com/terminology/meteorology/radon/"
}