fog over

fog over

[for something made of glass] to become covered over with water vapor. The windshield fogged over because I forgot to turn on the defroster. The mirror fogged over, and I couldn't see to shave.
See also: fog
References in periodicals archive ?
Harbhajan dismissed Matt for two and Broad for one in his first two overs after England had resumed on 282 for six in the morning following a two-hour delay caused by fog over the ground.
Studies in numerous cities in the US have shown up to 10 times increased distance in fog over first generation technology.