Aneroid

{
  "id": "MLC-T-MET-003501",
  "term": "Aneroid",
  "field": "Meteorology and atmospheric science",
  "definition": "Relating to a type of barometer that measures atmospheric pressure without the use of a liquid, such as mercury. It operates on the principle of a sealed, evacuated metal capsule that expands and contracts with changes in external air pressure. The movement of the capsule is mechanically linked to a pointer, indicating the pressure reading.",
  "url": "https://mlchart.com/terminology/meteorology/aneroid/"
}