smog
Pronunciation:
/smɒɡ//smɑɡ/noun
Definitions
A noxious mixture of particulates and gases that is the result of urban air pollution.
Synonyms:pea-soup fogpea-souper
verb
Definitions
To get a smog check; to check a vehicle or have it checked for emissions.
Example: If the car is more than five years old, you'll have to have it smogged before you can register it.