Smog

noun

/smɒɡ/

Word Frequency: 0.7

Definitions

1.nounA noxious mixture of particulates and gases that is the result of urban air pollution.

2.verbTo get a smog check; to check a vehicle or have it checked for emissions.

"If the car is more than five years old, you'll have to have it smogged before you can register it."

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