Mole fraction of water vapor

{
  "id": "MLC-T-MET-007386",
  "term": "Mole fraction of water vapor",
  "field": "Meteorology and atmospheric science",
  "definition": "The ratio of the number of moles of water vapor to the total number of moles of all gases in a given volume of air. This dimensionless quantity is a measure of atmospheric humidity, often denoted as x_v. It is directly related to the partial pressure of water vapor and the total atmospheric pressure.",
  "url": "https://mlchart.com/terminology/meteorology/mole-fraction-of-water-vapor/"
}