Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

frost

 
/frɔst/ n [U] (WHITE LAYER)

Definition

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.
(Definition of frost n (WHITE LAYER) from the Cambridge Academic Content Dictionary © Cambridge University Press)

“frost” in other dictionaries

Word of the Day

everything under the sun

everything that exists or is possible

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