Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

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)
What is the pronunciation of frost?
Browse related topics

You are looking at an entry to do with Preparing food, but you might be interested in these topics from the Cookery topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “frost” in other dictionaries

Word of the Day

flair

natural ability to do something well

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More