smog Hear it!

smog definition

smog (smäg, smôg)

noun

  1. Archaic a noxious mixture of fog and smoke
  2. a low-lying, perceptible layer of polluted air

Etymology: sm(oke) + (f)og

Related Forms:

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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