Loschmidt's number

{
  "id": "MLC-T-MET-007051",
  "term": "Loschmidt's number",
  "field": "Meteorology and atmospheric science",
  "definition": "The number of gas molecules per unit volume at standard temperature and pressure (0 degrees Celsius and 1 atmosphere). It represents a fundamental constant in physics and chemistry, providing a measure of molecular density. Its value is approximately 2.68678 x 10^25 molecules per cubic meter.",
  "url": "https://mlchart.com/terminology/meteorology/loschmidt-s-number/"
}