wet-bulb depression

American  

[wet-buhlb di-presh-uhn] / ˈwɛtˌbʌlb dɪˌprɛʃ ən /

noun

Meteorology.

1. the difference between the dry-bulb temperature and the wet-bulb temperature, with a larger depression representing less atmospheric humidity.

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Etymology

Origin of wet-bulb depression

First recorded in 1820–30

Example Sentences

See Examples For:

wet-bulb depression

Aitken for some years made observations on the haze in the air at Falkirk by simply noting the direction of the wind, the wet-bulb depression at the time, and the transparency of the air.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various