Terminator

{
  "id": "MLC-T-MET-009555",
  "term": "Terminator",
  "field": "Meteorology and atmospheric science",
  "definition": "The moving line that separates the illuminated day side from the dark night side of a celestial body, such as Earth. In atmospheric science, observations across the terminator can reveal atmospheric phenomena unique to the transition from day to night. It is also known as the twilight zone.",
  "url": "https://mlchart.com/terminology/meteorology/terminator/"
}