smog

plural smogs

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

   A widow since 1967, she lives now in Honolulu because, she says, she can enjoy the Californialike climate without the smog.

   1973 April 22, Martha Weinman Lear, “Clare Boothe Luce, she who is behind ‘The Women’”, in The New York Times

   1 more example

   Everyone smoked so if the auditorium was full, the whole room would be filled with smoke in next to no time. It was like the legendary London smog of the 1950s in there sometimes. You took it in turn to “flash the ash” as it was called.

   2015, Richard Blackshire, Newtown Naughty Boy, page 145

   Synonyms: pea-souper, pea-soup fog

present singular third person smogs · participle present smogging · participle past smogged · past smogged

1. informalTo 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.