Definition of dew point noun from the Oxford Advanced Learner's Dictionary


dew point

BrE BrE//ˈdjuː pɔɪnt//
; NAmE NAmE//ˈduː pɔɪnt//
[singular] (specialist)
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the temperature at which air can hold no more water. Below this temperature the water comes out of the air in the form of drops.
See the Oxford Advanced American Dictionary entry: dew point