Capillary head

{
  "id": "MLC-T-MET-004143",
  "term": "Capillary head",
  "field": "Meteorology and atmospheric science",
  "definition": "The equivalent height of a column of water that represents the negative pressure or tension with which water is held in a porous medium due to capillary forces. It is a measure of the energy status of water in unsaturated soil, often expressed in units of length such as centimeters or meters. This value is always negative, indicating suction.",
  "synonyms": [
    "capillary pressure head"
  ],
  "url": "https://mlchart.com/terminology/meteorology/capillary-head/"
}