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to fog up
[phrase form: fog]
01
(of glass, mirrors, lenses, and other such surfaces) to become covered by fog
Grammatical Information
Action verb
Regular
Inseparable
Present tense
fog up
3rd person singular
fogs up
Past simple
fogged up
Past participle
fogged up
Examples
The bathroom mirror fogged up after a hot shower.
02
to cover something with very small water droplets, resulting in a mist on its surface
Examples
A cold drink can cause the outside of the glass to fog up on a warm day.
