psychrometer

{
  "id": "MLC-T-MET-002166",
  "term": "psychrometer",
  "field": "Meteorology and atmospheric science",
  "definition": "An instrument used to measure the water vapor content of the air; a hygrometer consisting essentially of two similar thermometers with the bulb of one being kept wet so that the cooling that results from evaporation makes it register a lower temperature than the dry one and with the difference between the readings constituting a measure of the dryness of the atmosphere",
  "see_also": [
    "aspiration psychrometer",
    "Assmann psychrometer",
    "sling psychrometer"
  ],
  "references": [
    "NWS Glossary"
  ],
  "url": "https://mlchart.com/terminology/meteorology/psychrometer/"
}