Term: wet bulb temperature
https://doi.org/10.1351/goldbook.W06673

Definition:
In psychrometry, the temperature of the sensor or the bulb of a thermometer in which a constantly renewed film of water is evaporating. The temperature of the water used to renew the film must be at the temperature of the gas.

Related Terms:
1) psychrometry (http://doi.org/10.1351/goldbook.P04940).
2) film (http://doi.org/10.1351/goldbook.F02366).

Source: PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2219 (https://doi.org/10.1351/pac199062112167)

Citation: 'wet bulb temperature' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.W06673

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