SMOG

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does smog mean? 

• SMOG (noun)
  The noun SMOG has 1 sense:

1. air pollution by a mixture of smoke and fog

  Familiarity information: SMOG used as a noun is very rare.

 Dictionary entry details 

• SMOG (noun)

Sense 1

Meaning:

Air pollution by a mixture of smoke and fog

Classified under:

Nouns denoting stable states of affairs

Synonyms:

smog; smogginess

Hypernyms ("smog" is a kind of...):

air pollution (pollution of the atmosphere)

Domain usage:

blend; portmanteau; portmanteau word (a new word formed by joining two others and combining their meanings)

Derivation:

smoggy (clouded with a mixture of smoke and fog)

 Context examples 

It is the main ingredient in smog.

(Ozone, Environmental Protection Agency)

Ozone is a highly reactive form of oxygen that is a primary constituent of urban smog.

(Air pollution exposure in early pregnancy linked to miscarriage, National Institutes of Health)

When ozone forms air pollution, it's also called smog.

(Air Pollution, Environmental Protection Agency)

The study used images and other data from Cassini's radar instrument, which can peer through the obscuring smog of Titan's atmosphere to reveal the surface in detail.

(Cassini Spies Titan's Tallest Peaks, NASA)

Found in the atmosphere as a key ingredient in photochemical formation of smog and acid rain, Nitrogen Dioxide is a poisonous gas that forms during combustion.

(Nitrogen Dioxide, NCI Thesaurus)