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English definition of “fog”

fog

noun [C/U]  /fɔɡ, fɑɡ/ us  
a mass of cloud consisting of small drops of water near the surface of the earth: [U] Heavy fog made driving conditions dangerous.
foggy
adjective  /ˈfɔ·ɡi, ˈfɑɡ·i/ us  
a cold, foggy day

fog

verb [T/I] /fɔɡ, fɑɡ/ (-gg-)
to cover or be covered with fog : The airport is fogged over.
Phrasal verbs
(Definition of fog from the Cambridge Academic Content Dictionary © Cambridge University Press)
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