psychrometer
/ˈsaɪk.rəˌmɪt.ɚ/ · psy·chro·meter
noun
- An instrument for measuring the moisture content of the air, typically consisting of a dry‑bulb and a wet‑bulb thermometer. The meteorologist calibrated the psychrometer before heading out to record humidity levels in the field.
Synonyms
Did you know? The psychrometer was a key tool for early weather stations, and its principles still underpin modern HVAC design through the science of psychrometrics.