Glow discharge

{
  "id": "MLC-T-MET-006003",
  "term": "Glow discharge",
  "field": "Meteorology and atmospheric science",
  "definition": "A luminous electrical discharge that occurs in a gas at low pressure, characterized by a faint glow. This phenomenon is produced when an electric current passes through a gas, exciting the gas atoms which then emit light as they return to their ground state. It is used in some atmospheric science instruments for gas analysis or as a light source.",
  "url": "https://mlchart.com/terminology/meteorology/glow-discharge/"
}