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English definition of “frost”

frost

noun [U]  /frɔst/ us  

frost noun [U] (WHITE LAYER)

earth science water in the air that freezes when it touches a cold surface and forms a white, powdery layer: There was frost on the grass in the early morning. An early frost killed some of my tomatoes.

frost

verb  /frɔst/ us  

frost verb (COVER CAKE)

[T] (also ice) to cover a cake with a thin layer of sugar mixed with a liquid

frost verb (COVER WITH ICE)

[I/T] to cover or become covered with a white, powdery layer of ice : [I] The windshield frosted up overnight.
(Definition of frost from the Cambridge Academic Content Dictionary © Cambridge University Press)
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